/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifdef QT_NO_CAST_FROM_ASCII
# undef QT_NO_CAST_FROM_ASCII
#endif
#ifdef QT_NO_CAST_TO_ASCII
# undef QT_NO_CAST_TO_ASCII
#endif
#ifdef QT_ASCII_CAST_WARNINGS
# undef QT_ASCII_CAST_WARNINGS
#endif

#if defined(Q_OS_WIN) && defined(Q_OS_WINCE)
#define Q_OS_WIN_AND_WINCE
#endif

#include <QtTest/QtTest>
#include <qregexp.h>
#include <qregularexpression.h>
#include <qtextcodec.h>
#include <qtextstream.h>
#include <qstringlist.h>
#include <qstringmatcher.h>
#include <qbytearraymatcher.h>
#include <qvariant.h>

#include <qlocale.h>
#include <locale.h>
#include <qhash.h>


#define CREATE_REF(string)                                              \
    const QString padded = QString::fromLatin1(" %1 ").arg(string);     \
    QStringRef ref = padded.midRef(1, padded.size() - 2);

class tst_QString : public QObject
{
    Q_OBJECT

public:
    tst_QString();
public slots:
    void cleanup();
private slots:
#ifndef Q_CC_HPACC
    void fromStdString();
    void toStdString();
#endif
    void check_QTextIOStream();
    void check_QTextStream();
    void check_QDataStream();
    void fromRawData();
    void setRawData();
    void endsWith();
    void startsWith();
    void setNum();
    void toDouble_data();
    void toDouble();
    void toFloat();
    void toLong_data();
    void toLong();
    void toULong_data();
    void toULong();
    void toLongLong();
    void toULongLong();
    void toUInt();
    void toInt();
    void toShort();
    void toUShort();
    void replace_qchar_qchar_data();
    void replace_qchar_qchar();
    void replace_qchar_qstring_data();
    void replace_qchar_qstring();
    void replace_uint_uint_data();
    void replace_uint_uint();
    void replace_uint_uint_extra();
    void replace_string_data();
    void replace_string();
    void replace_regexp_data();
    void replace_regexp();
    void remove_uint_uint_data();
    void remove_uint_uint();
    void remove_string_data();
    void remove_string();
    void remove_regexp_data();
    void remove_regexp();
    void swap();
    void prepend();
    void prepend_bytearray_data();
    void prepend_bytearray();
    void append();
    void append_bytearray_data();
    void append_bytearray();
    void operator_pluseq_bytearray_data();
    void operator_pluseq_bytearray();
    void operator_eqeq_bytearray_data();
    void operator_eqeq_bytearray();
    void operator_eqeq_nullstring();
    void operator_smaller();
    void insert();
    void simplified_data();
    void simplified();
    void trimmed();
    void toUpper();
    void toLower();
    void toCaseFolded();
    void rightJustified();
    void leftJustified();
    void mid();
    void right();
    void left();
    void midRef();
    void rightRef();
    void leftRef();
    void stringRef();
    void contains();
    void count();
    void lastIndexOf_data();
    void lastIndexOf();
    void lastIndexOfInvalidRegex();
    void indexOf_data();
    void indexOf();
    void indexOf2_data();
    void indexOf2();
    void indexOf3_data();
//  void indexOf3();
    void sprintf();
    void fill();
    void truncate();
    void constructor();
    void constructorQByteArray_data();
    void constructorQByteArray();
    void STL();
    void isEmpty();
    void isNull();
    void acc_01();
    void length_data();
    void length();
    void utf8_data();
    void utf8();
    void fromUtf8_data();
    void fromUtf8();
    void nullFromUtf8();
    void fromLocal8Bit_data();
    void fromLocal8Bit();
    void local8Bit_data();
    void local8Bit();
    void fromLatin1Roundtrip_data();
    void fromLatin1Roundtrip();
    void toLatin1Roundtrip_data();
    void toLatin1Roundtrip();
    void stringRef_toLatin1Roundtrip_data();
    void stringRef_toLatin1Roundtrip();
    void stringRef_utf8_data();
    void stringRef_utf8();
    void stringRef_local8Bit_data();
    void stringRef_local8Bit();
    void fromLatin1();
    void fromAscii();
    void arg();
    void number();
    void arg_fillChar_data();
    void arg_fillChar();
    void capacity_data();
    void capacity();
    void section_data();
    void section();
    void double_conversion_data();
    void double_conversion();
    void integer_conversion_data();
    void integer_conversion();
    void tortureSprintfDouble();
    void toNum();
#if !defined(Q_OS_WIN) || defined(Q_OS_WIN_AND_WINCE)
    void localeAwareCompare_data();
    void localeAwareCompare();
#endif
    void split_data();
    void split();
    void split_regexp_data();
    void split_regexp();
    void fromUtf16_data();
    void fromUtf16();
    void latin1String();
    void nanAndInf();
    void compare_data();
    void compare();
    void resizeAfterFromRawData();
    void resizeAfterReserve();
    void resizeWithNegative() const;
    void truncateWithNegative() const;
    void QCharRefMutableUnicode() const;
    void QCharRefDetaching() const;
    void sprintfZU() const;
    void repeatedSignature() const;
    void repeated() const;
    void repeated_data() const;
    void compareRef();
    void arg_locale();
#ifdef QT_USE_ICU
    void toUpperLower_icu();
#endif
#if defined(QT_UNICODE_LITERAL) && (defined(Q_COMPILER_LAMBDA) || defined(Q_CC_GNU))
    void literals();
#endif
    void eightBitLiterals_data();
    void eightBitLiterals();
    void reserve();
    void toHtmlEscaped_data();
    void toHtmlEscaped();
    void operatorGreaterWithQLatin1String();
    void compareQLatin1Strings();
    void fromQLatin1StringWithLength();
    void assignQLatin1String();
    void isRightToLeft_data();
    void isRightToLeft();
};

template <class T> const T &verifyZeroTermination(const T &t) { return t; }

QString verifyZeroTermination(const QString &str)
{
    // This test does some evil stuff, it's all supposed to work.

    QString::DataPtr strDataPtr = const_cast<QString &>(str).data_ptr();

    // Skip if isStatic() or fromRawData(), as those offer no guarantees
    if (strDataPtr->ref.isStatic()
            || strDataPtr->offset != QString().data_ptr()->offset)
        return str;

    int strSize = str.size();
    QChar strTerminator = str.constData()[strSize];
    if (QChar('\0') != strTerminator)
        return QString::fromAscii(
            "*** Result ('%1') not null-terminated: 0x%2 ***").arg(str)
                .arg(strTerminator.unicode(), 4, 16, QChar('0'));

    // Skip mutating checks on shared strings
    if (strDataPtr->ref.isShared())
        return str;

    const QChar *strData = str.constData();
    const QString strCopy(strData, strSize); // Deep copy

    const_cast<QChar *>(strData)[strSize] = QChar('x');
    if (QChar('x') != str.constData()[strSize]) {
        return QString::fromAscii("*** Failed to replace null-terminator in "
                "result ('%1') ***").arg(str);
    }
    if (str != strCopy) {
        return QString::fromAscii( "*** Result ('%1') differs from its copy "
                "after null-terminator was replaced ***").arg(str);
    }
    const_cast<QChar *>(strData)[strSize] = QChar('\0'); // Restore sanity

    return str;
}

// Overriding QTest's QCOMPARE, to check QString for null termination
#undef QCOMPARE
#define QCOMPARE(actual, expected)                                      \
    do {                                                                \
        if (!QTest::qCompare(verifyZeroTermination(actual), expected,   \
                #actual, #expected, __FILE__, __LINE__))                \
            return;                                                     \
    } while (0)                                                         \
    /**/
#undef QTEST
#define QTEST(actual, testElement)                                      \
    do {                                                                \
        if (!QTest::qTest(verifyZeroTermination(actual), testElement,   \
                #actual, #testElement, __FILE__, __LINE__))             \
            return;                                                     \
    } while (0)                                                         \
    /**/

typedef QList<int> IntList;

// This next bit is needed for the NAN and INF in string -> number conversion tests
#include <float.h>
#include <limits.h>
#include <math.h>
#if defined (Q_OS_WIN)
#   include <windows.h>
// mingw defines NAN and INFINITY to 0/0 and x/0
#   if defined(Q_CC_GNU)
#      undef NAN
#      undef INFINITY
#   else
#      define isnan(d) _isnan(d)
#   endif
#endif
#if defined (Q_OS_MAC) && !defined isnan
#define isnan(d) __isnand(d)
#endif
#if defined (Q_OS_SOLARIS)
#   include <ieeefp.h>
#endif
#if defined (Q_OS_OSF) && (defined(__DECC) || defined(__DECCXX))
#   define INFINITY DBL_INFINITY
#   define NAN DBL_QNAN
#endif
#if defined(Q_OS_IRIX) && defined(Q_CC_GNU)
#   include <ieeefp.h>
#   define isnan(d) isnand(d)
#endif

enum {
    LittleEndian,
    BigEndian
#ifdef Q_BYTE_ORDER
#  if Q_BYTE_ORDER == Q_BIG_ENDIAN
    , ByteOrder = BigEndian
#  elif Q_BYTE_ORDER == Q_LITTLE_ENDIAN
    , ByteOrder = LittleEndian
#  else
#    error "undefined byte order"
#  endif
};
#else
};
static const unsigned int one = 1;
static const bool ByteOrder = ((*((unsigned char *) &one) == 0) ? BigEndian : LittleEndian);
#endif
#if !defined(INFINITY)
static const unsigned char be_inf_bytes[] = { 0x7f, 0xf0, 0, 0, 0, 0, 0,0 };
static const unsigned char le_inf_bytes[] = { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f };
static inline double inf()
{
    if (ByteOrder == BigEndian)
        return *reinterpret_cast<const double *>(be_inf_bytes);
    return *reinterpret_cast<const double *>(le_inf_bytes);
}
#   define INFINITY (::inf())
#endif
#if !defined(NAN)
static const unsigned char be_nan_bytes[] = { 0x7f, 0xf8, 0, 0, 0, 0, 0,0 };
static const unsigned char le_nan_bytes[] = { 0, 0, 0, 0, 0, 0, 0xf8, 0x7f };
static inline double nan()
{
    if (ByteOrder == BigEndian)
        return *reinterpret_cast<const double *>(be_nan_bytes);
    return *reinterpret_cast<const double *>(le_nan_bytes);
}
#   define NAN (::nan())
#endif

tst_QString::tst_QString()
{
    QTextCodec::setCodecForLocale(QTextCodec::codecForName("ISO 8859-1"));
}

void tst_QString::cleanup()
{
    QLocale::setDefault(QString("C"));
}

void tst_QString::remove_uint_uint_data()
{
    replace_uint_uint_data();
}

void tst_QString::remove_string_data()
{
    replace_string_data();
}

void tst_QString::remove_regexp_data()
{
    replace_regexp_data();
}

void tst_QString::indexOf3_data()
{
    indexOf2_data();
}

void tst_QString::length_data()
{
    QTest::addColumn<QString>("s1" );
    QTest::addColumn<int>("res" );

    QTest::newRow( "data0" )  << QString("Test") << 4;
    QTest::newRow( "data1" )  << QString("The quick brown fox jumps over the lazy dog") << 43;
    QTest::newRow( "data2" )  << QString() << 0;
    QTest::newRow( "data3" )  << QString("A") << 1;
    QTest::newRow( "data4" )  << QString("AB") << 2;
    QTest::newRow( "data5" )  << QString("AB\n") << 3;
    QTest::newRow( "data6" )  << QString("AB\nC") << 4;
    QTest::newRow( "data7" )  << QString("\n") << 1;
    QTest::newRow( "data8" )  << QString("\nA") << 2;
    QTest::newRow( "data9" )  << QString("\nAB") << 3;
    QTest::newRow( "data10" )  << QString("\nAB\nCDE") << 7;
    QTest::newRow( "data11" )  << QString("shdnftrheid fhgnt gjvnfmd chfugkh bnfhg thgjf vnghturkf chfnguh bjgnfhvygh hnbhgutjfv dhdnjds dcjs d") << 100;
}

void tst_QString::replace_qchar_qchar_data()
{
    QTest::addColumn<QString>("src" );
    QTest::addColumn<QChar>("before" );
    QTest::addColumn<QChar>("after" );
    QTest::addColumn<int>("cs" );
    QTest::addColumn<QString>("expected" );

    QTest::newRow( "1" ) << QString("foo") << QChar('o') << QChar('a')
                      << int(Qt::CaseSensitive) << QString("faa");
    QTest::newRow( "2" ) << QString("foo") << QChar('o') << QChar('a')
                      << int(Qt::CaseInsensitive) << QString("faa");
    QTest::newRow( "3" ) << QString("foo") << QChar('O') << QChar('a')
                      << int(Qt::CaseSensitive) << QString("foo");
    QTest::newRow( "4" ) << QString("foo") << QChar('O') << QChar('a')
                      << int(Qt::CaseInsensitive) << QString("faa");
    QTest::newRow( "5" ) << QString("ababABAB") << QChar('a') << QChar(' ')
                      << int(Qt::CaseSensitive) << QString(" b bABAB");
    QTest::newRow( "6" ) << QString("ababABAB") << QChar('a') << QChar(' ')
                      << int(Qt::CaseInsensitive) << QString(" b b B B");
    QTest::newRow( "7" ) << QString("ababABAB") << QChar() << QChar(' ')
                      << int(Qt::CaseInsensitive) << QString("ababABAB");
}

void tst_QString::replace_qchar_qchar()
{
    QFETCH(QString, src);
    QFETCH(QChar, before);
    QFETCH(QChar, after);
    QFETCH(int, cs);
    QFETCH(QString, expected);

    QCOMPARE(src.replace(before, after, Qt::CaseSensitivity(cs)), expected);
}

void tst_QString::replace_qchar_qstring_data()
{
    QTest::addColumn<QString>("src" );
    QTest::addColumn<QChar>("before" );
    QTest::addColumn<QString>("after" );
    QTest::addColumn<int>("cs" );
    QTest::addColumn<QString>("expected" );

    QTest::newRow( "1" ) << QString("foo") << QChar('o') << QString("aA")
                      << int(Qt::CaseSensitive) << QString("faAaA");
    QTest::newRow( "2" ) << QString("foo") << QChar('o') << QString("aA")
                      << int(Qt::CaseInsensitive) << QString("faAaA");
    QTest::newRow( "3" ) << QString("foo") << QChar('O') << QString("aA")
                      << int(Qt::CaseSensitive) << QString("foo");
    QTest::newRow( "4" ) << QString("foo") << QChar('O') << QString("aA")
                      << int(Qt::CaseInsensitive) << QString("faAaA");
    QTest::newRow( "5" ) << QString("ababABAB") << QChar('a') << QString("  ")
                      << int(Qt::CaseSensitive) << QString("  b  bABAB");
    QTest::newRow( "6" ) << QString("ababABAB") << QChar('a') << QString("  ")
                      << int(Qt::CaseInsensitive) << QString("  b  b  B  B");
    QTest::newRow( "7" ) << QString("ababABAB") << QChar() << QString("  ")
                      << int(Qt::CaseInsensitive) << QString("ababABAB");
    QTest::newRow( "8" ) << QString("ababABAB") << QChar() << QString()
                      << int(Qt::CaseInsensitive) << QString("ababABAB");
}

void tst_QString::replace_qchar_qstring()
{
    QFETCH(QString, src);
    QFETCH(QChar, before);
    QFETCH(QString, after);
    QFETCH(int, cs);
    QFETCH(QString, expected);

    QCOMPARE(src.replace(before, after, Qt::CaseSensitivity(cs)), expected);
}

void tst_QString::replace_uint_uint_data()
{
    QTest::addColumn<QString>("string" );
    QTest::addColumn<int>("index" );
    QTest::addColumn<int>("len" );
    QTest::addColumn<QString>("after" );
    QTest::addColumn<QString>("result" );

    QTest::newRow( "rem00" ) << QString("-<>ABCABCABCABC>") << 0 << 3 << QString("") << QString("ABCABCABCABC>");
    QTest::newRow( "rem01" ) << QString("ABCABCABCABC>") << 1 << 4 << QString("") << QString("ACABCABC>");
    QTest::newRow( "rem04" ) << QString("ACABCABC>") << 8 << 4 << QString("") << QString("ACABCABC");
    QTest::newRow( "rem05" ) << QString("ACABCABC") << 7 << 1 << QString("") << QString("ACABCAB");
    QTest::newRow( "rem06" ) << QString("ACABCAB") << 4 << 0 << QString("") << QString("ACABCAB");

    QTest::newRow( "rep00" ) << QString("ACABCAB") << 4 << 0 << QString("X") << QString("ACABXCAB");
    QTest::newRow( "rep01" ) << QString("ACABXCAB") << 4 << 1 << QString("Y") << QString("ACABYCAB");
    QTest::newRow( "rep02" ) << QString("ACABYCAB") << 4 << 1 << QString("") << QString("ACABCAB");
    QTest::newRow( "rep03" ) << QString("ACABCAB") << 0 << 9999 << QString("XX") << QString("XX");
    QTest::newRow( "rep04" ) << QString("XX") << 0 << 9999 << QString("") << QString("");
    QTest::newRow( "rep05" ) << QString("ACABCAB") << 0 << 2 << QString("XX") << QString("XXABCAB");
    QTest::newRow( "rep06" ) << QString("ACABCAB") << 1 << 2 << QString("XX") << QString("AXXBCAB");
    QTest::newRow( "rep07" ) << QString("ACABCAB") << 2 << 2 << QString("XX") << QString("ACXXCAB");
    QTest::newRow( "rep08" ) << QString("ACABCAB") << 3 << 2 << QString("XX") << QString("ACAXXAB");
    QTest::newRow( "rep09" ) << QString("ACABCAB") << 4 << 2 << QString("XX") << QString("ACABXXB");
    QTest::newRow( "rep10" ) << QString("ACABCAB") << 5 << 2 << QString("XX") << QString("ACABCXX");
    QTest::newRow( "rep11" ) << QString("ACABCAB") << 6 << 2 << QString("XX") << QString("ACABCAXX");
    QTest::newRow( "rep12" ) << QString() << 0 << 10 << QString("X") << QString("X");
    QTest::newRow( "rep13" ) << QString("short") << 0 << 10 << QString("X") << QString("X");
    QTest::newRow( "rep14" ) << QString() << 0 << 10 << QString("XX") << QString("XX");
    QTest::newRow( "rep15" ) << QString("short") << 0 << 10 << QString("XX") << QString("XX");

    // This is a regression test for an old bug where QString would add index and len parameters,
    // potentially causing integer overflow.
    QTest::newRow( "no overflow" ) << QString("ACABCAB") << 1 << INT_MAX - 1 << QString("") << QString("A");
    QTest::newRow( "overflow" ) << QString("ACABCAB") << 1 << INT_MAX << QString("") << QString("A");
}

void tst_QString::replace_string_data()
{
    QTest::addColumn<QString>("string" );
    QTest::addColumn<QString>("before" );
    QTest::addColumn<QString>("after" );
    QTest::addColumn<QString>("result" );
    QTest::addColumn<bool>("bcs" );

    QTest::newRow( "rem00" ) << QString("") << QString("") << QString("") << QString("") << true;
    QTest::newRow( "rem01" ) << QString("A") << QString("") << QString("") << QString("A") << true;
    QTest::newRow( "rem02" ) << QString("A") << QString("A") << QString("") << QString("") << true;
    QTest::newRow( "rem03" ) << QString("A") << QString("B") << QString("") << QString("A") << true;
    QTest::newRow( "rem04" ) << QString("AA") << QString("A") << QString("") << QString("") << true;
    QTest::newRow( "rem05" ) << QString("AB") << QString("A") << QString("") << QString("B") << true;
    QTest::newRow( "rem06" ) << QString("AB") << QString("B") << QString("") << QString("A") << true;
    QTest::newRow( "rem07" ) << QString("AB") << QString("C") << QString("") << QString("AB") << true;
    QTest::newRow( "rem08" ) << QString("ABA") << QString("A") << QString("") << QString("B") << true;
    QTest::newRow( "rem09" ) << QString("ABA") << QString("B") << QString("") << QString("AA") << true;
    QTest::newRow( "rem10" ) << QString("ABA") << QString("C") << QString("") << QString("ABA") << true;
    QTest::newRow( "rem11" ) << QString("banana") << QString("an") << QString("") << QString("ba") << true;
    QTest::newRow( "rem12" ) << QString("") << QString("A") << QString("") << QString("") << true;
    QTest::newRow( "rem13" ) << QString("") << QString("A") << QString() << QString("") << true;
    QTest::newRow( "rem14" ) << QString() << QString("A") << QString("") << QString() << true;
    QTest::newRow( "rem15" ) << QString() << QString("A") << QString() << QString() << true;
    QTest::newRow( "rem16" ) << QString() << QString("") << QString("") << QString("") << true;
    QTest::newRow( "rem17" ) << QString("") << QString() << QString("") << QString("") << true;
    QTest::newRow( "rem18" ) << QString("a") << QString("a") << QString("") << QString("") << false;
    QTest::newRow( "rem19" ) << QString("A") << QString("A") << QString("") << QString("") << false;
    QTest::newRow( "rem20" ) << QString("a") << QString("A") << QString("") << QString("") << false;
    QTest::newRow( "rem21" ) << QString("A") << QString("a") << QString("") << QString("") << false;
    QTest::newRow( "rem22" ) << QString("Alpha beta") << QString("a") << QString("") << QString("lph bet") << false;

    QTest::newRow( "rep00" ) << QString("ABC") << QString("B") << QString("-") << QString("A-C") << true;
    QTest::newRow( "rep01" ) << QString("$()*+.?[\\]^{|}") << QString("$()*+.?[\\]^{|}") << QString("X") << QString("X") << true;
    QTest::newRow( "rep02" ) << QString("ABCDEF") << QString("") << QString("X") << QString("XAXBXCXDXEXFX") << true;
    QTest::newRow( "rep03" ) << QString("") << QString("") << QString("X") << QString("X") << true;
    QTest::newRow( "rep04" ) << QString("a") << QString("a") << QString("b") << QString("b") << false;
    QTest::newRow( "rep05" ) << QString("A") << QString("A") << QString("b") << QString("b") << false;
    QTest::newRow( "rep06" ) << QString("a") << QString("A") << QString("b") << QString("b") << false;
    QTest::newRow( "rep07" ) << QString("A") << QString("a") << QString("b") << QString("b") << false;
    QTest::newRow( "rep08" ) << QString("a") << QString("a") << QString("a") << QString("a") << false;
    QTest::newRow( "rep09" ) << QString("A") << QString("A") << QString("a") << QString("a") << false;
    QTest::newRow( "rep10" ) << QString("a") << QString("A") << QString("a") << QString("a") << false;
    QTest::newRow( "rep11" ) << QString("A") << QString("a") << QString("a") << QString("a") << false;
    QTest::newRow( "rep12" ) << QString("Alpha beta") << QString("a") << QString("o") << QString("olpho beto") << false;
    QTest::newRow( "rep13" ) << QString() << QString("") << QString("A") << QString("A") << true;
    QTest::newRow( "rep14" ) << QString("") << QString() << QString("A") << QString("A") << true;
    QTest::newRow( "rep15" ) << QString("fooxbarxbazxblub") << QString("x") << QString("yz") << QString("fooyzbaryzbazyzblub") << true;
    QTest::newRow( "rep16" ) << QString("fooxbarxbazxblub") << QString("x") << QString("z") << QString("foozbarzbazzblub") << true;
    QTest::newRow( "rep17" ) << QString("fooxybarxybazxyblub") << QString("xy") << QString("z") << QString("foozbarzbazzblub") << true;
}

void tst_QString::replace_regexp_data()
{
    QTest::addColumn<QString>("string" );
    QTest::addColumn<QString>("regexp" );
    QTest::addColumn<QString>("after" );
    QTest::addColumn<QString>("result" );

    QTest::newRow( "rem00" ) << QString("alpha") << QString("a+") << QString("") << QString("lph");
    QTest::newRow( "rem01" ) << QString("banana") << QString("^.a") << QString("") << QString("nana");
    QTest::newRow( "rem02" ) << QString("") << QString("^.a") << QString("") << QString("");
    QTest::newRow( "rem03" ) << QString("") << QString("^.a") << QString() << QString("");
    QTest::newRow( "rem04" ) << QString() << QString("^.a") << QString("") << QString();
    QTest::newRow( "rem05" ) << QString() << QString("^.a") << QString() << QString();

    QTest::newRow( "rep00" ) << QString("A <i>bon mot</i>.") << QString("<i>([^<]*)</i>") << QString("\\emph{\\1}") << QString("A \\emph{bon mot}.");
    QTest::newRow( "rep01" ) << QString("banana") << QString("^.a()") << QString("\\1") << QString("nana");
    QTest::newRow( "rep02" ) << QString("banana") << QString("(ba)") << QString("\\1X\\1") << QString("baXbanana");
    QTest::newRow( "rep03" ) << QString("banana") << QString("(ba)(na)na") << QString("\\2X\\1") << QString("naXba");

    QTest::newRow("backref00") << QString("\\1\\2\\3\\4\\5\\6\\7\\8\\9\\A\\10\\11") << QString("\\\\[34]")
                               << QString("X") << QString("\\1\\2XX\\5\\6\\7\\8\\9\\A\\10\\11");
    QTest::newRow("backref01") << QString("foo") << QString("[fo]") << QString("\\1") << QString("\\1\\1\\1");
    QTest::newRow("backref02") << QString("foo") << QString("([fo])") << QString("(\\1)") << QString("(f)(o)(o)");
    QTest::newRow("backref03") << QString("foo") << QString("([fo])") << QString("\\2") << QString("\\2\\2\\2");
    QTest::newRow("backref04") << QString("foo") << QString("([fo])") << QString("\\10") << QString("f0o0o0");
    QTest::newRow("backref05") << QString("foo") << QString("([fo])") << QString("\\11") << QString("f1o1o1");
    QTest::newRow("backref06") << QString("foo") << QString("([fo])") << QString("\\19") << QString("f9o9o9");
    QTest::newRow("backref07") << QString("foo") << QString("(f)(o+)")
                               << QString("\\2\\1\\10\\20\\11\\22\\19\\29\\3")
                               << QString("ooff0oo0f1oo2f9oo9\\3");
    QTest::newRow("backref08") << QString("abc") << QString("(((((((((((((([abc]))))))))))))))")
                               << QString("{\\14}") << QString("{a}{b}{c}");
    QTest::newRow("backref09") << QString("abcdefghijklmn")
                               << QString("(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)(m)(n)")
                               << QString("\\19\\18\\17\\16\\15\\14\\13\\12\\11\\10"
                                          "\\9\\90\\8\\80\\7\\70\\6\\60\\5\\50\\4\\40\\3\\30\\2\\20\\1")
                               << QString("a9a8a7a6a5nmlkjii0hh0gg0ff0ee0dd0cc0bb0a");
    QTest::newRow("backref10") << QString("abc") << QString("((((((((((((((abc))))))))))))))")
                               << QString("\\0\\01\\011") << QString("\\0\\01\\011");
    QTest::newRow("invalid") << QString("") << QString("invalid regex\\") << QString("") << QString("");
}

void tst_QString::utf8_data()
{
    QString str;
    QTest::addColumn<QByteArray>("utf8" );
    QTest::addColumn<QString>("res" );

    QTest::newRow( "str0" ) << QByteArray("abcdefgh")
                          << QString("abcdefgh");
    QTest::newRow( "str1" ) << QByteArray("\303\266\303\244\303\274\303\226\303\204\303\234\303\270\303\246\303\245\303\230\303\206\303\205")
                          << QString::fromLatin1("\366\344\374\326\304\334\370\346\345\330\306\305") ;
    str += QChar( 0x05e9 );
    str += QChar( 0x05d3 );
    str += QChar( 0x05d2 );
    QTest::newRow( "str2" ) << QByteArray("\327\251\327\223\327\222")
                          << str;

    str = QChar( 0x20ac );
    str += " some text";
    QTest::newRow( "str3" ) << QByteArray("\342\202\254 some text")
                          << str;

    str = "Old Italic: ";
    str += QChar(0xd800);
    str += QChar(0xdf00);
    str += QChar(0xd800);
    str += QChar(0xdf01);
    str += QChar(0xd800);
    str += QChar(0xdf02);
    str += QChar(0xd800);
    str += QChar(0xdf03);
    str += QChar(0xd800);
    str += QChar(0xdf04);
    QTest::newRow("surrogate") << QByteArray("Old Italic: \360\220\214\200\360\220\214\201\360\220\214\202\360\220\214\203\360\220\214\204") << str;
}

void tst_QString::length()
{
    QFETCH( QString, s1 );
    QTEST( (int)s1.length(), "res" );
}

#include <qfile.h>

void tst_QString::acc_01()
{
    QString a;
    QString b; //b(10);
    QString bb; //bb((int)0);
    QString c("String C");
    QChar tmp[10];
    tmp[0] = 'S';
    tmp[1] = 't';
    tmp[2] = 'r';
    tmp[3] = 'i';
    tmp[4] = 'n';
    tmp[5] = 'g';
    tmp[6] = ' ';
    tmp[7] = 'D';
    tmp[8] = 'X';
    tmp[9] = '\0';
    QString d(tmp,8);
    QString ca(a);
    QString cb(b);
    QString cc(c);
    QString n;
    QString e("String E");
    QString f;
    f = e;
    f[7]='F';
    QCOMPARE(e,(QString)"String E");
    char text[]="String f";
    f = text;
    text[7]='!';
    QCOMPARE(f,(QString)"String f");
    f[7]='F';
    QCOMPARE(text[7],'!');

    a="";
    a[0]='A';
    QCOMPARE(a,(QString)"A");
    QCOMPARE(a.length(),1);
    a[1]='B';
    QCOMPARE(a,(QString)"AB");
    QCOMPARE(a.length(),2);
    a[2]='C';
    QCOMPARE(a,(QString)"ABC");
    QCOMPARE(a.length(),3);
    a = QString();
    QVERIFY(a.isNull());
    a[0]='A';
    QCOMPARE(a,(QString)"A");
    QCOMPARE(a.length(),1);
    a[1]='B';
    QCOMPARE(a,(QString)"AB");
    QCOMPARE(a.length(),2);
    a[2]='C';
    QCOMPARE(a,(QString)"ABC");
    QCOMPARE(a.length(),3);

    a="123";
    b="456";
    a[0]=a[1];
    QCOMPARE(a,(QString)"223");
    a[1]=b[1];
    QCOMPARE(b,(QString)"456");
    QCOMPARE(a,(QString)"253");

    char t[]="TEXT";
    a="A";
    a=t;
    QCOMPARE(a,(QString)"TEXT");
    QCOMPARE(a,(QString)t);
    a[0]='X';
    QCOMPARE(a,(QString)"XEXT");
    QCOMPARE(t[0],'T');
    t[0]='Z';
    QCOMPARE(a,(QString)"XEXT");

    a="ABC";
    QCOMPARE(char(a.toLatin1()[1]),'B');
    QCOMPARE(strcmp(a.toLatin1(),((QString)"ABC").toLatin1()),0);
    QCOMPARE(a+="DEF",(QString)"ABCDEF");
    QCOMPARE(a+='G',(QString)"ABCDEFG");
    QCOMPARE(a+=((const char*)(0)),(QString)"ABCDEFG");

    // non-member operators

    a="ABC";
    b="ABC";
    c="ACB";
    d="ABCD";
    QVERIFY(a==b);
    QVERIFY(!(a==d));
    QVERIFY(!(a!=b));
    QVERIFY(a!=d);
    QVERIFY(!(a<b));
    QVERIFY(a<c);
    QVERIFY(a<d);
    QVERIFY(!(d<a));
    QVERIFY(!(c<a));
    QVERIFY(a<=b);
    QVERIFY(a<=d);
    QVERIFY(a<=c);
    QVERIFY(!(c<=a));
    QVERIFY(!(d<=a));
    QCOMPARE(QString(a+b),(QString)"ABCABC");
    QCOMPARE(QString(a+"XXXX"),(QString)"ABCXXXX");
    QCOMPARE(QString(a+'X'),(QString)"ABCX");
    QCOMPARE(QString("XXXX"+a),(QString)"XXXXABC");
    QCOMPARE(QString('X'+a),(QString)"XABC");
    a = (const char*)0;
    QVERIFY(a.isNull());
    QVERIFY(*a.toLatin1().constData() == '\0');
    {
#if defined(Q_OS_WINCE)
        int argc = 0;
        QCoreApplication app(argc, 0);
#endif
        QFile f("COMPARE.txt");
        f.open(QIODevice::ReadOnly);
        QTextStream ts( &f );
        ts.setCodec(QTextCodec::codecForName("UTF-16"));
        ts << "Abc";
    }
}

#ifdef Q_CC_GNU
#    pragma GCC diagnostic push
#    pragma GCC diagnostic ignored "-Wformat-security"
#endif

void tst_QString::isNull()
{
    QString a;
    QVERIFY(a.isNull());

    const char *zero = 0;
    a.sprintf( zero );
    QVERIFY(!a.isNull());
}

#ifdef Q_CC_GNU
#    pragma GCC diagnostic pop
#endif

void tst_QString::isEmpty()
{
    QString a;
    QVERIFY(a.isEmpty());
    QString c("Not empty");
    QVERIFY(!c.isEmpty());
}

void tst_QString::constructor()
{
    QString a;
    QString b; //b(10);
    QString c("String C");
    QChar tmp[10];
    tmp[0] = 'S';
    tmp[1] = 't';
    tmp[2] = 'r';
    tmp[3] = 'i';
    tmp[4] = 'n';
    tmp[5] = 'g';
    tmp[6] = ' ';
    tmp[7] = 'D';
    tmp[8] = 'X';
    tmp[9] = '\0';
    QString d(tmp,8);
    QString ca(a);
    QString cb(b);
    QString cc(c);

    QCOMPARE(a,ca);
    QVERIFY(a.isNull());
    QVERIFY(a == (QString)"");
    QCOMPARE(b,cb);
    QCOMPARE(c,cc);
    QCOMPARE(d,(QString)"String D");

    QString nullStr;
    QVERIFY( nullStr.isNull() );
    QVERIFY( nullStr.isEmpty() );
    QString empty("");
    QVERIFY( !empty.isNull() );
    QVERIFY( empty.isEmpty() );
}

void tst_QString::constructorQByteArray_data()
{
    QTest::addColumn<QByteArray>("src" );
    QTest::addColumn<QString>("expected" );

    QByteArray ba( 4, 0 );
    ba[0] = 'C';
    ba[1] = 'O';
    ba[2] = 'M';
    ba[3] = 'P';

    QTest::newRow( "1" ) << ba << QString("COMP");

    QByteArray ba1( 7, 0 );
    ba1[0] = 'a';
    ba1[1] = 'b';
    ba1[2] = 'c';
    ba1[3] = '\0';
    ba1[4] = 'd';
    ba1[5] = 'e';
    ba1[6] = 'f';

    QTest::newRow( "2" ) << ba1 << QString("abc");

    QTest::newRow( "3" ) << QByteArray::fromRawData("abcd", 3) << QString("abc");
    QTest::newRow( "4" ) << QByteArray("\xc3\xa9") << QString("\xc3\xa9");
    QTest::newRow( "4-bis" ) << QByteArray("\xc3\xa9") << QString::fromUtf8("\xc3\xa9");
    QTest::newRow( "4-tre" ) << QByteArray("\xc3\xa9") << QString::fromLatin1("\xe9");
}

void tst_QString::constructorQByteArray()
{
    QFETCH(QByteArray, src);
    QFETCH(QString, expected);

    QString str1(src);
    QCOMPARE(str1.length(), expected.length());
    QCOMPARE( str1, expected );

    QString strBA(src);
    QCOMPARE( strBA, expected );

    // test operator= too
    if (src.constData()[src.length()] == '\0') {
        str1.clear();
        str1 = src.constData();
        QCOMPARE( str1, expected );
    }

    strBA.clear();
    strBA = src;
    QCOMPARE( strBA, expected );
}

void tst_QString::STL()
{
    std::string stdstr( "QString" );

    QString stlqt = QString::fromStdString(stdstr);
    QCOMPARE(stlqt, QString::fromLatin1(stdstr.c_str()));
    QCOMPARE(stlqt.toStdString(), stdstr);

    const wchar_t arr[] = {'h', 'e', 'l', 'l', 'o', 0};
    std::wstring stlStr = arr;

    QString s = QString::fromStdWString(stlStr);

    QCOMPARE(s, QString::fromLatin1("hello"));
    QCOMPARE(stlStr, s.toStdWString());
}

void tst_QString::truncate()
{
    QString e("String E");
    e.truncate(4);
    QCOMPARE(e,(QString)"Stri");

    e = "String E";
    e.truncate(0);
    QCOMPARE(e,(QString)"");
    QVERIFY(e.isEmpty());
    QVERIFY(!e.isNull());

}

void tst_QString::fill()
{
    QString e;
    e.fill('e',1);
    QCOMPARE(e,(QString)"e");
    QString f;
    f.fill('f',3);
    QCOMPARE(f,(QString)"fff");
    f.fill('F');
    QCOMPARE(f,(QString)"FFF");
}

void tst_QString::sprintf()
{
    QString a;
    a.sprintf("COMPARE");
    QCOMPARE(a,(QString)"COMPARE");
    a.sprintf("%%%d",1);
    QCOMPARE(a,(QString)"%1");
    QCOMPARE(a.sprintf("X%dY",2),(QString)"X2Y");
    QCOMPARE(a.sprintf("X%9iY", 50000 ),(QString)"X    50000Y");
    QCOMPARE(a.sprintf("X%-9sY","hello"),(QString)"Xhello    Y");
    QCOMPARE(a.sprintf("X%-9iY", 50000 ),(QString)"X50000    Y");
    QCOMPARE(a.sprintf("%lf", 1.23), QString("1.230000"));
    QCOMPARE(a.sprintf("%lf", 1.23456789), QString("1.234568"));
    QCOMPARE(a.sprintf("%p", (void *)0xbfffd350), QString("0xbfffd350"));
    QCOMPARE(a.sprintf("%p", (void *)0), QString("0x0"));

    int i = 6;
    long l = -2;
    float f = 4.023f;
    QString S1;
    S1.sprintf("%d %ld %f",i,l,f);
    QCOMPARE(S1,QString("6 -2 4.023000"));

    double d = -514.25683;
    S1.sprintf("%f",d);
    QCOMPARE(S1, QString("-514.256830"));

    QCOMPARE(a.sprintf("%.3s", "Hello" ),(QString)"Hel");
    QCOMPARE(a.sprintf("%10.3s", "Hello" ),(QString)"       Hel");
    QCOMPARE(a.sprintf("%.10s", "Hello" ),(QString)"Hello");
    QCOMPARE(a.sprintf("%10.10s", "Hello" ),(QString)"     Hello");
    QCOMPARE(a.sprintf("%-10.10s", "Hello" ),(QString)"Hello     ");
    QCOMPARE(a.sprintf("%-10.3s", "Hello" ),(QString)"Hel       ");
    QCOMPARE(a.sprintf("%-5.5s", "Hello" ),(QString)"Hello");

    // Check utf8 conversion for %s
    QCOMPARE(a.sprintf("%s", "\303\266\303\244\303\274\303\226\303\204\303\234\303\270\303\246\303\245\303\230\303\206\303\205"), QString::fromLatin1("\366\344\374\326\304\334\370\346\345\330\306\305"));

    int n1;
    a.sprintf("%s%n%s", "hello", &n1, "goodbye");
    QCOMPARE(n1, 5);
    QCOMPARE(a, QString("hellogoodbye"));
    qlonglong n2;
    a.sprintf("%s%s%lln%s", "foo", "bar", &n2, "whiz");
    QCOMPARE((int)n2, 6);
    QCOMPARE(a, QString("foobarwhiz"));
}

/*
    indexOf() and indexOf02() test QString::indexOf(),
    QString::lastIndexOf(), and their QByteArray equivalents.

    lastIndexOf() tests QString::lastIndexOf() more in depth, but it
    should probably be rewritten to use a data table.
*/

void tst_QString::indexOf_data()
{
    QTest::addColumn<QString>("haystack" );
    QTest::addColumn<QString>("needle" );
    QTest::addColumn<int>("startpos" );
    QTest::addColumn<bool>("bcs" );
    QTest::addColumn<int>("resultpos" );

    QTest::newRow( "data0" ) << QString("abc") << QString("a") << 0 << true << 0;
    QTest::newRow( "data1" ) << QString("abc") << QString("a") << 0 << false << 0;
    QTest::newRow( "data2" ) << QString("abc") << QString("A") << 0 << true << -1;
    QTest::newRow( "data3" ) << QString("abc") << QString("A") << 0 << false << 0;
    QTest::newRow( "data4" ) << QString("abc") << QString("a") << 1 << true << -1;
    QTest::newRow( "data5" ) << QString("abc") << QString("a") << 1 << false << -1;
    QTest::newRow( "data6" ) << QString("abc") << QString("A") << 1 << true << -1;
    QTest::newRow( "data7" ) << QString("abc") << QString("A") << 1 << false << -1;
    QTest::newRow( "data8" ) << QString("abc") << QString("b") << 0 << true << 1;
    QTest::newRow( "data9" ) << QString("abc") << QString("b") << 0 << false << 1;
    QTest::newRow( "data10" ) << QString("abc") << QString("B") << 0 << true << -1;
    QTest::newRow( "data11" ) << QString("abc") << QString("B") << 0 << false << 1;
    QTest::newRow( "data12" ) << QString("abc") << QString("b") << 1 << true << 1;
    QTest::newRow( "data13" ) << QString("abc") << QString("b") << 1 << false << 1;
    QTest::newRow( "data14" ) << QString("abc") << QString("B") << 1 << true << -1;
    QTest::newRow( "data15" ) << QString("abc") << QString("B") << 1 << false << 1;
    QTest::newRow( "data16" ) << QString("abc") << QString("b") << 2 << true << -1;
    QTest::newRow( "data17" ) << QString("abc") << QString("b") << 2 << false << -1;

    QTest::newRow( "data20" ) << QString("ABC") << QString("A") << 0 << true << 0;
    QTest::newRow( "data21" ) << QString("ABC") << QString("A") << 0 << false << 0;
    QTest::newRow( "data22" ) << QString("ABC") << QString("a") << 0 << true << -1;
    QTest::newRow( "data23" ) << QString("ABC") << QString("a") << 0 << false << 0;
    QTest::newRow( "data24" ) << QString("ABC") << QString("A") << 1 << true << -1;
    QTest::newRow( "data25" ) << QString("ABC") << QString("A") << 1 << false << -1;
    QTest::newRow( "data26" ) << QString("ABC") << QString("a") << 1 << true << -1;
    QTest::newRow( "data27" ) << QString("ABC") << QString("a") << 1 << false << -1;
    QTest::newRow( "data28" ) << QString("ABC") << QString("B") << 0 << true << 1;
    QTest::newRow( "data29" ) << QString("ABC") << QString("B") << 0 << false << 1;
    QTest::newRow( "data30" ) << QString("ABC") << QString("b") << 0 << true << -1;
    QTest::newRow( "data31" ) << QString("ABC") << QString("b") << 0 << false << 1;
    QTest::newRow( "data32" ) << QString("ABC") << QString("B") << 1 << true << 1;
    QTest::newRow( "data33" ) << QString("ABC") << QString("B") << 1 << false << 1;
    QTest::newRow( "data34" ) << QString("ABC") << QString("b") << 1 << true << -1;
    QTest::newRow( "data35" ) << QString("ABC") << QString("b") << 1 << false << 1;
    QTest::newRow( "data36" ) << QString("ABC") << QString("B") << 2 << true << -1;
    QTest::newRow( "data37" ) << QString("ABC") << QString("B") << 2 << false << -1;

    QTest::newRow( "data40" ) << QString("aBc") << QString("bc") << 0 << true << -1;
    QTest::newRow( "data41" ) << QString("aBc") << QString("Bc") << 0 << true << 1;
    QTest::newRow( "data42" ) << QString("aBc") << QString("bC") << 0 << true << -1;
    QTest::newRow( "data43" ) << QString("aBc") << QString("BC") << 0 << true << -1;
    QTest::newRow( "data44" ) << QString("aBc") << QString("bc") << 0 << false << 1;
    QTest::newRow( "data45" ) << QString("aBc") << QString("Bc") << 0 << false << 1;
    QTest::newRow( "data46" ) << QString("aBc") << QString("bC") << 0 << false << 1;
    QTest::newRow( "data47" ) << QString("aBc") << QString("BC") << 0 << false << 1;
    QTest::newRow( "data48" ) << QString("AbC") << QString("bc") << 0 << true << -1;
    QTest::newRow( "data49" ) << QString("AbC") << QString("Bc") << 0 << true << -1;
    QTest::newRow( "data50" ) << QString("AbC") << QString("bC") << 0 << true << 1;
    QTest::newRow( "data51" ) << QString("AbC") << QString("BC") << 0 << true << -1;
    QTest::newRow( "data52" ) << QString("AbC") << QString("bc") << 0 << false << 1;
    QTest::newRow( "data53" ) << QString("AbC") << QString("Bc") << 0 << false << 1;

    QTest::newRow( "data54" ) << QString("AbC") << QString("bC") << 0 << false << 1;
    QTest::newRow( "data55" ) << QString("AbC") << QString("BC") << 0 << false << 1;
    QTest::newRow( "data56" ) << QString("AbC") << QString("BC") << 1 << false << 1;
    QTest::newRow( "data57" ) << QString("AbC") << QString("BC") << 2 << false << -1;
#if 0
    QTest::newRow( "null-in-null") << QString() << QString() << 0 << false << 0;
    QTest::newRow( "empty-in-null") << QString() << QString("") << 0 << false << 0;
    QTest::newRow( "null-in-empty") << QString("") << QString() << 0 << false << 0;
    QTest::newRow( "empty-in-empty") << QString("") << QString("") << 0 << false << 0;
#endif


    QString s1 = "abc";
    s1 += QChar(0xb5);
    QString s2;
    s2 += QChar(0x3bc);
    QTest::newRow( "data58" ) << s1 << s2 << 0 << false << 3;
    s2.prepend("C");
    QTest::newRow( "data59" ) << s1 << s2 << 0 << false << 2;

    QString veryBigHaystack(500, 'a');
    veryBigHaystack += 'B';
    QTest::newRow("BoyerMooreStressTest") << veryBigHaystack << veryBigHaystack << 0 << true << 0;
    QTest::newRow("BoyerMooreStressTest2") << QString(veryBigHaystack + 'c') << veryBigHaystack << 0 << true << 0;
    QTest::newRow("BoyerMooreStressTest3") << QString('c' + veryBigHaystack) << veryBigHaystack << 0 << true << 1;
    QTest::newRow("BoyerMooreStressTest4") << veryBigHaystack << QString(veryBigHaystack + 'c') << 0 << true << -1;
    QTest::newRow("BoyerMooreStressTest5") << veryBigHaystack << QString('c' + veryBigHaystack) << 0 << true << -1;
    QTest::newRow("BoyerMooreStressTest6") << QString('d' + veryBigHaystack) << QString('c' + veryBigHaystack) << 0 << true << -1;
    QTest::newRow("BoyerMooreStressTest7") << QString(veryBigHaystack + 'c') << QString('c' + veryBigHaystack) << 0 << true << -1;

    QTest::newRow("BoyerMooreInsensitiveStressTest") << veryBigHaystack << veryBigHaystack << 0 << false << 0;

}

void tst_QString::indexOf()
{
    QFETCH( QString, haystack );
    QFETCH( QString, needle );
    QFETCH( int, startpos );
    QFETCH( bool, bcs );
    QFETCH( int, resultpos );
    CREATE_REF(needle);

    Qt::CaseSensitivity cs = bcs ? Qt::CaseSensitive : Qt::CaseInsensitive;

    bool needleIsLatin = (QString::fromLatin1(needle.toLatin1()) == needle);

    QCOMPARE( haystack.indexOf(needle, startpos, cs), resultpos );
    QCOMPARE( haystack.indexOf(ref, startpos, cs), resultpos );
    if (needleIsLatin) {
        QCOMPARE( haystack.indexOf(needle.toLatin1(), startpos, cs), resultpos );
        QCOMPARE( haystack.indexOf(needle.toLatin1().data(), startpos, cs), resultpos );
    }

    {
        QRegExp rx1 = QRegExp(QRegExp::escape(needle), cs);
        QRegExp rx2 = QRegExp(needle, cs, QRegExp::FixedString);
        QCOMPARE( haystack.indexOf(rx1, startpos), resultpos );
        QCOMPARE( haystack.indexOf(rx2, startpos), resultpos );
        // these QRegExp must have been modified
        QVERIFY( resultpos == -1 || rx1.matchedLength() > 0);
        QVERIFY( resultpos == -1 || rx2.matchedLength() > 0);
    }

    {
        const QRegExp rx1 = QRegExp(QRegExp::escape(needle), cs);
        const QRegExp rx2 = QRegExp(needle, cs, QRegExp::FixedString);
        QCOMPARE( haystack.indexOf(rx1, startpos), resultpos );
        QCOMPARE( haystack.indexOf(rx2, startpos), resultpos );
        // our QRegExp mustn't have been modified
        QCOMPARE( rx1.matchedLength(), -1 );
        QCOMPARE( rx2.matchedLength(), -1 );
    }

    {
        QRegularExpression::PatternOptions options = QRegularExpression::NoPatternOption;
        if (!bcs)
            options |= QRegularExpression::CaseInsensitiveOption;

        QRegularExpression re(QRegularExpression::escape(needle), options);
        QEXPECT_FAIL("data58", "QRegularExpression does not support case folding", Continue);
        QEXPECT_FAIL("data59", "QRegularExpression does not support case folding", Continue);
        QCOMPARE( haystack.indexOf(re, startpos), resultpos );
    }

    if (cs == Qt::CaseSensitive) {
        QCOMPARE( haystack.indexOf(needle, startpos), resultpos );
        QCOMPARE( haystack.indexOf(ref, startpos), resultpos );
        if (needleIsLatin) {
            QCOMPARE( haystack.indexOf(needle.toLatin1(), startpos), resultpos );
            QCOMPARE( haystack.indexOf(needle.toLatin1().data(), startpos), resultpos );
        }
        if (startpos == 0) {
            QCOMPARE( haystack.indexOf(needle), resultpos );
            QCOMPARE( haystack.indexOf(ref), resultpos );
            if (needleIsLatin) {
                QCOMPARE( haystack.indexOf(needle.toLatin1()), resultpos );
                QCOMPARE( haystack.indexOf(needle.toLatin1().data()), resultpos );
            }
        }
    }
    if (needle.size() == 1) {
        QCOMPARE(haystack.indexOf(needle.at(0), startpos, cs), resultpos);
        QCOMPARE(haystack.indexOf(ref.at(0), startpos, cs), resultpos);
    }

}

void tst_QString::indexOf2_data()
{
    QTest::addColumn<QString>("haystack" );
    QTest::addColumn<QString>("needle" );
    QTest::addColumn<int>("resultpos" );

    QTest::newRow( "data0" ) << QString() << QString() << 0;
    QTest::newRow( "data1" ) << QString() << QString("") << 0;
    QTest::newRow( "data2" ) << QString("") << QString() << 0;
    QTest::newRow( "data3" ) << QString("") << QString("") << 0;
    QTest::newRow( "data4" ) << QString() << QString("a") << -1;
    QTest::newRow( "data5" ) << QString() << QString("abcdefg") << -1;
    QTest::newRow( "data6" ) << QString("") << QString("a") << -1;
    QTest::newRow( "data7" ) << QString("") << QString("abcdefg") << -1;

    QTest::newRow( "data8" ) << QString("a") << QString() << 0;
    QTest::newRow( "data9" ) << QString("a") << QString("") << 0;
    QTest::newRow( "data10" ) << QString("a") << QString("a") << 0;
    QTest::newRow( "data11" ) << QString("a") << QString("b") << -1;
    QTest::newRow( "data12" ) << QString("a") << QString("abcdefg") << -1;
    QTest::newRow( "data13" ) << QString("ab") << QString() << 0;
    QTest::newRow( "data14" ) << QString("ab") << QString("") << 0;
    QTest::newRow( "data15" ) << QString("ab") << QString("a") << 0;
    QTest::newRow( "data16" ) << QString("ab") << QString("b") << 1;
    QTest::newRow( "data17" ) << QString("ab") << QString("ab") << 0;
    QTest::newRow( "data18" ) << QString("ab") << QString("bc") << -1;
    QTest::newRow( "data19" ) << QString("ab") << QString("abcdefg") << -1;

    QTest::newRow( "data30" ) << QString("abc") << QString("a") << 0;
    QTest::newRow( "data31" ) << QString("abc") << QString("b") << 1;
    QTest::newRow( "data32" ) << QString("abc") << QString("c") << 2;
    QTest::newRow( "data33" ) << QString("abc") << QString("d") << -1;
    QTest::newRow( "data34" ) << QString("abc") << QString("ab") << 0;
    QTest::newRow( "data35" ) << QString("abc") << QString("bc") << 1;
    QTest::newRow( "data36" ) << QString("abc") << QString("cd") << -1;
    QTest::newRow( "data37" ) << QString("abc") << QString("ac") << -1;

    // sizeof(whale) > 32
    QString whale = "a5zby6cx7dw8evf9ug0th1si2rj3qkp4lomn";
    QString minnow = "zby";
    QTest::newRow( "data40" ) << whale << minnow << 2;
    QTest::newRow( "data41" ) << QString(whale + whale) << minnow << 2;
    QTest::newRow( "data42" ) << QString(minnow + whale) << minnow << 0;
    QTest::newRow( "data43" ) << whale << whale << 0;
    QTest::newRow( "data44" ) << QString(whale + whale) << whale << 0;
    QTest::newRow( "data45" ) << whale << QString(whale + whale) << -1;
    QTest::newRow( "data46" ) << QString(whale + whale) << QString(whale + whale) << 0;
    QTest::newRow( "data47" ) << QString(whale + whale) << QString(whale + minnow) << -1;
    QTest::newRow( "data48" ) << QString(minnow + whale) << whale << (int)minnow.length();
}

void tst_QString::indexOf2()
{
    QFETCH( QString, haystack );
    QFETCH( QString, needle );
    QFETCH( int, resultpos );
    CREATE_REF(needle);

    QByteArray chaystack = haystack.toLatin1();
    QByteArray cneedle = needle.toLatin1();
    int got;

    QCOMPARE( haystack.indexOf(needle, 0, Qt::CaseSensitive), resultpos );
    QCOMPARE( haystack.indexOf(ref, 0, Qt::CaseSensitive), resultpos );
    QCOMPARE( QStringMatcher(needle, Qt::CaseSensitive).indexIn(haystack, 0), resultpos );
    QCOMPARE( haystack.indexOf(needle, 0, Qt::CaseInsensitive), resultpos );
    QCOMPARE( haystack.indexOf(ref, 0, Qt::CaseInsensitive), resultpos );
    QCOMPARE( QStringMatcher(needle, Qt::CaseInsensitive).indexIn(haystack, 0), resultpos );
    if ( needle.length() > 0 ) {
        got = haystack.lastIndexOf( needle, -1, Qt::CaseSensitive );
        QVERIFY( got == resultpos || (resultpos >= 0 && got >= resultpos) );
        got = haystack.lastIndexOf( needle, -1, Qt::CaseInsensitive );
        QVERIFY( got == resultpos || (resultpos >= 0 && got >= resultpos) );
    }

    QCOMPARE( chaystack.indexOf(cneedle, 0), resultpos );
    QCOMPARE( QByteArrayMatcher(cneedle).indexIn(chaystack, 0), resultpos );
    if ( cneedle.length() > 0 ) {
        got = chaystack.lastIndexOf(cneedle, -1);
        QVERIFY( got == resultpos || (resultpos >= 0 && got >= resultpos) );
    }
}

void tst_QString::lastIndexOf_data()
{
    QTest::addColumn<QString>("haystack" );
    QTest::addColumn<QString>("needle" );
    QTest::addColumn<int>("from" );
    QTest::addColumn<int>("expected" );
    QTest::addColumn<bool>("caseSensitive" );

    QString a = "ABCDEFGHIEfGEFG";

    QTest::newRow("-1") << a << "G" << a.size() - 1 << 14 << true;
    QTest::newRow("1") << a << "G" << - 1 << 14 << true;
    QTest::newRow("2") << a << "G" << -3 << 11 << true;
    QTest::newRow("3") << a << "G" << -5 << 6 << true;
    QTest::newRow("4") << a << "G" << 14 << 14 << true;
    QTest::newRow("5") << a << "G" << 13 << 11 << true;
    QTest::newRow("6") << a << "B" << a.size() - 1 << 1 << true;
    QTest::newRow("7") << a << "B" << - 1 << 1 << true;
    QTest::newRow("8") << a << "B" << 1 << 1 << true;
    QTest::newRow("9") << a << "B" << 0 << -1 << true;

    QTest::newRow("10") << a << "G" <<  -1 <<  a.size()-1 << true;
    QTest::newRow("11") << a << "G" <<  a.size()-1 <<  a.size()-1 << true;
    QTest::newRow("12") << a << "G" <<  a.size() <<  -1 << true;
    QTest::newRow("13") << a << "A" <<  0 <<  0 << true;
    QTest::newRow("14") << a << "A" <<  -1*a.size() <<  0 << true;

    QTest::newRow("15") << a << "efg" << 0 << -1 << false;
    QTest::newRow("16") << a << "efg" << a.size() << -1 << false;
    QTest::newRow("17") << a << "efg" << -1 * a.size() << -1 << false;
    QTest::newRow("19") << a << "efg" << a.size() - 1 << 12 << false;
    QTest::newRow("20") << a << "efg" << 12 << 12 << false;
    QTest::newRow("21") << a << "efg" << -12 << -1 << false;
    QTest::newRow("22") << a << "efg" << 11 << 9 << false;

    QTest::newRow("24") << "" << "asdf" << -1 << -1 << false;
    QTest::newRow("25") << "asd" << "asdf" << -1 << -1 << false;
    QTest::newRow("26") << "" << QString() << -1 << -1 << false;

    QTest::newRow("27") << a << "" << a.size() << a.size() << false;
    QTest::newRow("28") << a << "" << a.size() + 10 << -1 << false;
}

void tst_QString::lastIndexOf()
{
    QFETCH(QString, haystack);
    QFETCH(QString, needle);
    QFETCH(int, from);
    QFETCH(int, expected);
    QFETCH(bool, caseSensitive);
    CREATE_REF(needle);

    Qt::CaseSensitivity cs = (caseSensitive ? Qt::CaseSensitive : Qt::CaseInsensitive);

    QCOMPARE(haystack.lastIndexOf(needle, from, cs), expected);
    QCOMPARE(haystack.lastIndexOf(ref, from, cs), expected);
    QCOMPARE(haystack.lastIndexOf(needle.toLatin1(), from, cs), expected);
    QCOMPARE(haystack.lastIndexOf(needle.toLatin1().data(), from, cs), expected);

    if (from >= -1 && from < haystack.size()) {
        // unfortunately, QString and QRegExp don't have the same out of bound semantics
        // I think QString is wrong -- See file log for contact information.
        {
            QRegExp rx1 = QRegExp(QRegExp::escape(needle), cs);
            QRegExp rx2 = QRegExp(needle, cs, QRegExp::FixedString);
            QCOMPARE(haystack.lastIndexOf(rx1, from), expected);
            QCOMPARE(haystack.lastIndexOf(rx2, from), expected);
            // our QRegExp mustn't have been modified
            QVERIFY(expected == -1 || rx1.matchedLength() > 0);
            QVERIFY(expected == -1 || rx2.matchedLength() > 0);
        }

        {
            const QRegExp rx1 = QRegExp(QRegExp::escape(needle), cs);
            const QRegExp rx2 = QRegExp(needle, cs, QRegExp::FixedString);
            QCOMPARE(haystack.lastIndexOf(rx1, from), expected);
            QCOMPARE(haystack.lastIndexOf(rx2, from), expected);
            // our QRegExp mustn't have been modified
            QCOMPARE(rx1.matchedLength(), -1);
            QCOMPARE(rx2.matchedLength(), -1);
        }

        {
            QRegularExpression::PatternOptions options = QRegularExpression::NoPatternOption;
            if (!caseSensitive)
                options |= QRegularExpression::CaseInsensitiveOption;

            QRegularExpression re(QRegularExpression::escape(needle), options);
            QCOMPARE(haystack.lastIndexOf(re, from), expected);
        }
    }

    if (cs == Qt::CaseSensitive) {
        QCOMPARE(haystack.lastIndexOf(needle, from), expected);
        QCOMPARE(haystack.lastIndexOf(ref, from), expected);
        QCOMPARE(haystack.lastIndexOf(needle.toLatin1(), from), expected);
        QCOMPARE(haystack.lastIndexOf(needle.toLatin1().data(), from), expected);
        if (from == -1) {
            QCOMPARE(haystack.lastIndexOf(needle), expected);
            QCOMPARE(haystack.lastIndexOf(ref), expected);
            QCOMPARE(haystack.lastIndexOf(needle.toLatin1()), expected);
            QCOMPARE(haystack.lastIndexOf(needle.toLatin1().data()), expected);
        }
    }
    if (needle.size() == 1) {
        QCOMPARE(haystack.lastIndexOf(needle.at(0), from), expected);
        QCOMPARE(haystack.lastIndexOf(ref.at(0), from), expected);
    }
}

void tst_QString::lastIndexOfInvalidRegex()
{
    QTest::ignoreMessage(QtWarningMsg, "QString::lastIndexOf: invalid QRegularExpression object");
    QCOMPARE(QString("").lastIndexOf(QRegularExpression("invalid regex\\"), 0), -1);
}

void tst_QString::count()
{
    QString a;
    a="ABCDEFGHIEfGEFG"; // 15 chars
    QCOMPARE(a.count('A'),1);
    QCOMPARE(a.count('Z'),0);
    QCOMPARE(a.count('E'),3);
    QCOMPARE(a.count('F'),2);
    QCOMPARE(a.count('F',Qt::CaseInsensitive),3);
    QCOMPARE(a.count("FG"),2);
    QCOMPARE(a.count("FG",Qt::CaseInsensitive),3);
    QCOMPARE(a.count( QString(), Qt::CaseInsensitive), 16);
    QCOMPARE(a.count( "", Qt::CaseInsensitive), 16);
    QCOMPARE(a.count(QRegExp("[FG][HI]")),1);
    QCOMPARE(a.count(QRegExp("[G][HE]")),2);
    QCOMPARE(a.count(QRegularExpression("[FG][HI]")), 1);
    QCOMPARE(a.count(QRegularExpression("[G][HE]")), 2);
    QTest::ignoreMessage(QtWarningMsg, "QString::count: invalid QRegularExpression object");
    QCOMPARE(a.count(QRegularExpression("invalid regex\\")), 0);

    CREATE_REF(QLatin1String("FG"));
    QCOMPARE(a.count(ref),2);
    QCOMPARE(a.count(ref,Qt::CaseInsensitive),3);
    QCOMPARE(a.count( QStringRef(), Qt::CaseInsensitive), 16);
    QStringRef emptyRef(&a, 0, 0);
    QCOMPARE(a.count( emptyRef, Qt::CaseInsensitive), 16);

}

void tst_QString::contains()
{
    QString a;
    a="ABCDEFGHIEfGEFG"; // 15 chars
    QVERIFY(a.contains('A'));
    QVERIFY(!a.contains('Z'));
    QVERIFY(a.contains('E'));
    QVERIFY(a.contains('F'));
    QVERIFY(a.contains('F',Qt::CaseInsensitive));
    QVERIFY(a.contains("FG"));
    QVERIFY(a.contains("FG",Qt::CaseInsensitive));
    QVERIFY(a.contains( QString(), Qt::CaseInsensitive));
    QVERIFY(a.contains( "", Qt::CaseInsensitive));
    QVERIFY(a.contains(QRegExp("[FG][HI]")));
    QVERIFY(a.contains(QRegExp("[G][HE]")));
    QVERIFY(a.contains(QRegularExpression("[FG][HI]")));
    QVERIFY(a.contains(QRegularExpression("[G][HE]")));

    CREATE_REF(QLatin1String("FG"));
    QVERIFY(a.contains(ref));
    QVERIFY(a.contains(ref, Qt::CaseInsensitive));
    QVERIFY(a.contains( QStringRef(), Qt::CaseInsensitive));
    QStringRef emptyRef(&a, 0, 0);
    QVERIFY(a.contains(emptyRef, Qt::CaseInsensitive));

    QTest::ignoreMessage(QtWarningMsg, "QString::contains: invalid QRegularExpression object");
    QVERIFY(!a.contains(QRegularExpression("invalid regex\\")));
}


void tst_QString::left()
{
    QString a;
    a="ABCDEFGHIEfGEFG"; // 15 chars
    QCOMPARE(a.left(3),(QString)"ABC");
    QVERIFY(!a.left(0).isNull());
    QCOMPARE(a.left(0),(QString)"");

    QString n;
    QVERIFY(n.left(3).isNull());
    QVERIFY(n.left(0).isNull());
    QVERIFY(n.left(0).isNull());

    QString l = "Left";
    QCOMPARE(l.left(-1), l);
    QCOMPARE(l.left(100), l);
}

void tst_QString::leftRef()
{
    QString a;
    a="ABCDEFGHIEfGEFG"; // 15 chars
    QCOMPARE(a.leftRef(3).toString(),(QString)"ABC");

    QVERIFY(a.leftRef(0).toString().isEmpty());
    QCOMPARE(a.leftRef(0).toString(),(QString)"");

    QString n;
    QVERIFY(n.leftRef(3).toString().isEmpty());
    QVERIFY(n.leftRef(0).toString().isEmpty());
    QVERIFY(n.leftRef(0).toString().isEmpty());

    QString l = "Left";
    QCOMPARE(l.leftRef(-1).toString(), l);
    QCOMPARE(l.leftRef(100).toString(), l);
}

void tst_QString::right()
{
    QString a;
    a="ABCDEFGHIEfGEFG"; // 15 chars
    QCOMPARE(a.right(3),(QString)"EFG");
    QCOMPARE(a.right(0),(QString)"");

    QString n;
    QVERIFY(n.right(3).isNull());
    QVERIFY(n.right(0).isNull());

    QString r = "Right";
    QCOMPARE(r.right(-1), r);
    QCOMPARE(r.right(100), r);
}

void tst_QString::rightRef()
{
    QString a;
    a="ABCDEFGHIEfGEFG"; // 15 chars
    QCOMPARE(a.rightRef(3).toString(),(QString)"EFG");
    QCOMPARE(a.rightRef(0).toString(),(QString)"");

    QString n;
    QVERIFY(n.rightRef(3).toString().isEmpty());
    QVERIFY(n.rightRef(0).toString().isEmpty());

    QString r = "Right";
    QCOMPARE(r.rightRef(-1).toString(), r);
    QCOMPARE(r.rightRef(100).toString(), r);
}

void tst_QString::mid()
{
    QString a;
    a="ABCDEFGHIEfGEFG"; // 15 chars

    QCOMPARE(a.mid(3,3),(QString)"DEF");
    QCOMPARE(a.mid(0,0),(QString)"");
    QVERIFY(!a.mid(15,0).isNull());
    QVERIFY(a.mid(15,0).isEmpty());
    QVERIFY(!a.mid(15,1).isNull());
    QVERIFY(a.mid(15,1).isEmpty());
    QVERIFY(a.mid(9999).isNull());
    QVERIFY(a.mid(9999,1).isNull());

    QCOMPARE(a.mid(-1, 6), a.mid(0, 5));
    QVERIFY(a.mid(-100, 6).isEmpty());
    QVERIFY(a.mid(INT_MIN, 0).isEmpty());
    QCOMPARE(a.mid(INT_MIN, -1), a);
    QVERIFY(a.mid(INT_MIN, INT_MAX).isNull());
    QVERIFY(a.mid(INT_MIN + 1, INT_MAX).isEmpty());
    QCOMPARE(a.mid(INT_MIN + 2, INT_MAX), a.left(1));
    QCOMPARE(a.mid(INT_MIN + a.size() + 1, INT_MAX), a);
    QVERIFY(a.mid(INT_MAX).isNull());
    QVERIFY(a.mid(INT_MAX, INT_MAX).isNull());
    QCOMPARE(a.mid(-5, INT_MAX), a);
    QCOMPARE(a.mid(-1, INT_MAX), a);
    QCOMPARE(a.mid(0, INT_MAX), a);
    QCOMPARE(a.mid(1, INT_MAX), QString("BCDEFGHIEfGEFG"));
    QCOMPARE(a.mid(5, INT_MAX), QString("FGHIEfGEFG"));
    QVERIFY(a.mid(20, INT_MAX).isNull());
    QCOMPARE(a.mid(-1, -1), a);

    QString n;
    QVERIFY(n.mid(3,3).isNull());
    QVERIFY(n.mid(0,0).isNull());
    QVERIFY(n.mid(9999,0).isNull());
    QVERIFY(n.mid(9999,1).isNull());

    QVERIFY(n.mid(-1, 6).isNull());
    QVERIFY(n.mid(-100, 6).isNull());
    QVERIFY(n.mid(INT_MIN, 0).isNull());
    QVERIFY(n.mid(INT_MIN, -1).isNull());
    QVERIFY(n.mid(INT_MIN, INT_MAX).isNull());
    QVERIFY(n.mid(INT_MIN + 1, INT_MAX).isNull());
    QVERIFY(n.mid(INT_MIN + 2, INT_MAX).isNull());
    QVERIFY(n.mid(INT_MIN + n.size() + 1, INT_MAX).isNull());
    QVERIFY(n.mid(INT_MAX).isNull());
    QVERIFY(n.mid(INT_MAX, INT_MAX).isNull());
    QVERIFY(n.mid(-5, INT_MAX).isNull());
    QVERIFY(n.mid(-1, INT_MAX).isNull());
    QVERIFY(n.mid(0, INT_MAX).isNull());
    QVERIFY(n.mid(1, INT_MAX).isNull());
    QVERIFY(n.mid(5, INT_MAX).isNull());
    QVERIFY(n.mid(20, INT_MAX).isNull());
    QVERIFY(n.mid(-1, -1).isNull());

    QString x = "Nine pineapples";
    QCOMPARE(x.mid(5, 4), QString("pine"));
    QCOMPARE(x.mid(5), QString("pineapples"));

    QCOMPARE(x.mid(-1, 6), x.mid(0, 5));
    QVERIFY(x.mid(-100, 6).isEmpty());
    QVERIFY(x.mid(INT_MIN, 0).isEmpty());
    QCOMPARE(x.mid(INT_MIN, -1), x);
    QVERIFY(x.mid(INT_MIN, INT_MAX).isNull());
    QVERIFY(x.mid(INT_MIN + 1, INT_MAX).isEmpty());
    QCOMPARE(x.mid(INT_MIN + 2, INT_MAX), x.left(1));
    QCOMPARE(x.mid(INT_MIN + x.size() + 1, INT_MAX), x);
    QVERIFY(x.mid(INT_MAX).isNull());
    QVERIFY(x.mid(INT_MAX, INT_MAX).isNull());
    QCOMPARE(x.mid(-5, INT_MAX), x);
    QCOMPARE(x.mid(-1, INT_MAX), x);
    QCOMPARE(x.mid(0, INT_MAX), x);
    QCOMPARE(x.mid(1, INT_MAX), QString("ine pineapples"));
    QCOMPARE(x.mid(5, INT_MAX), QString("pineapples"));
    QVERIFY(x.mid(20, INT_MAX).isNull());
    QCOMPARE(x.mid(-1, -1), x);
}

void tst_QString::midRef()
{
    QString a;
    a="ABCDEFGHIEfGEFG"; // 15 chars

    QCOMPARE(a.midRef(3,3).toString(),(QString)"DEF");
    QCOMPARE(a.midRef(0,0).toString(),(QString)"");
    QVERIFY(!a.midRef(15,0).toString().isNull());
    QVERIFY(a.midRef(15,0).toString().isEmpty());
    QVERIFY(!a.midRef(15,1).toString().isNull());
    QVERIFY(a.midRef(15,1).toString().isEmpty());
    QVERIFY(a.midRef(9999).toString().isEmpty());
    QVERIFY(a.midRef(9999,1).toString().isEmpty());

    QCOMPARE(a.midRef(-1, 6), a.midRef(0, 5));
    QVERIFY(a.midRef(-100, 6).isEmpty());
    QVERIFY(a.midRef(INT_MIN, 0).isEmpty());
    QCOMPARE(a.midRef(INT_MIN, -1).toString(), a);
    QVERIFY(a.midRef(INT_MIN, INT_MAX).isNull());
    QVERIFY(a.midRef(INT_MIN + 1, INT_MAX).isEmpty());
    QCOMPARE(a.midRef(INT_MIN + 2, INT_MAX), a.leftRef(1));
    QCOMPARE(a.midRef(INT_MIN + a.size() + 1, INT_MAX).toString(), a);
    QVERIFY(a.midRef(INT_MAX).isNull());
    QVERIFY(a.midRef(INT_MAX, INT_MAX).isNull());
    QCOMPARE(a.midRef(-5, INT_MAX).toString(), a);
    QCOMPARE(a.midRef(-1, INT_MAX).toString(), a);
    QCOMPARE(a.midRef(0, INT_MAX).toString(), a);
    QCOMPARE(a.midRef(1, INT_MAX).toString(), QString("BCDEFGHIEfGEFG"));
    QCOMPARE(a.midRef(5, INT_MAX).toString(), QString("FGHIEfGEFG"));
    QVERIFY(a.midRef(20, INT_MAX).isNull());
    QCOMPARE(a.midRef(-1, -1).toString(), a);

    QString n;
    QVERIFY(n.midRef(3,3).toString().isEmpty());
    QVERIFY(n.midRef(0,0).toString().isEmpty());
    QVERIFY(n.midRef(9999,0).toString().isEmpty());
    QVERIFY(n.midRef(9999,1).toString().isEmpty());

    QVERIFY(n.midRef(-1, 6).isNull());
    QVERIFY(n.midRef(-100, 6).isNull());
    QVERIFY(n.midRef(INT_MIN, 0).isNull());
    QVERIFY(n.midRef(INT_MIN, -1).isNull());
    QVERIFY(n.midRef(INT_MIN, INT_MAX).isNull());
    QVERIFY(n.midRef(INT_MIN + 1, INT_MAX).isNull());
    QVERIFY(n.midRef(INT_MIN + 2, INT_MAX).isNull());
    QVERIFY(n.midRef(INT_MIN + n.size() + 1, INT_MAX).isNull());
    QVERIFY(n.midRef(INT_MAX).isNull());
    QVERIFY(n.midRef(INT_MAX, INT_MAX).isNull());
    QVERIFY(n.midRef(-5, INT_MAX).isNull());
    QVERIFY(n.midRef(-1, INT_MAX).isNull());
    QVERIFY(n.midRef(0, INT_MAX).isNull());
    QVERIFY(n.midRef(1, INT_MAX).isNull());
    QVERIFY(n.midRef(5, INT_MAX).isNull());
    QVERIFY(n.midRef(20, INT_MAX).isNull());
    QVERIFY(n.midRef(-1, -1).isNull());

    QString x = "Nine pineapples";
    QCOMPARE(x.midRef(5, 4).toString(), QString("pine"));
    QCOMPARE(x.midRef(5).toString(), QString("pineapples"));

    QCOMPARE(x.midRef(-1, 6), x.midRef(0, 5));
    QVERIFY(x.midRef(-100, 6).isEmpty());
    QVERIFY(x.midRef(INT_MIN, 0).isEmpty());
    QCOMPARE(x.midRef(INT_MIN, -1).toString(), x);
    QVERIFY(x.midRef(INT_MIN, INT_MAX).isNull());
    QVERIFY(x.midRef(INT_MIN + 1, INT_MAX).isEmpty());
    QCOMPARE(x.midRef(INT_MIN + 2, INT_MAX), x.leftRef(1));
    QCOMPARE(x.midRef(INT_MIN + x.size() + 1, INT_MAX).toString(), x);
    QVERIFY(x.midRef(INT_MAX).isNull());
    QVERIFY(x.midRef(INT_MAX, INT_MAX).isNull());
    QCOMPARE(x.midRef(-5, INT_MAX).toString(), x);
    QCOMPARE(x.midRef(-1, INT_MAX).toString(), x);
    QCOMPARE(x.midRef(0, INT_MAX).toString(), x);
    QCOMPARE(x.midRef(1, INT_MAX).toString(), QString("ine pineapples"));
    QCOMPARE(x.midRef(5, INT_MAX).toString(), QString("pineapples"));
    QVERIFY(x.midRef(20, INT_MAX).isNull());
    QCOMPARE(x.midRef(-1, -1).toString(), x);
}

void tst_QString::stringRef()
{
    QString a;
    a="ABCDEFGHIEfGEFG"; // 15 chars

    QVERIFY(QStringRef(&a, 0, 0) == (QString)"");

    QVERIFY(QStringRef(&a, 3, 3) == (QString)"DEF");
    QVERIFY(QStringRef(&a, 3, 3) == QLatin1String("DEF"));
    QVERIFY(QStringRef(&a, 3, 3) == "DEF");
    QVERIFY((QString)"DEF" == QStringRef(&a, 3, 3));
    QVERIFY(QLatin1String("DEF") == QStringRef(&a, 3, 3));
    QVERIFY("DEF" == QStringRef(&a, 3, 3));

    QVERIFY(QStringRef(&a, 3, 3) != (QString)"DE");
    QVERIFY(QStringRef(&a, 3, 3) != QLatin1String("DE"));
    QVERIFY(QStringRef(&a, 3, 3) != "DE");
    QVERIFY((QString)"DE" != QStringRef(&a, 3, 3));
    QVERIFY(QLatin1String("DE") != QStringRef(&a, 3, 3));
    QVERIFY("DE" != QStringRef(&a, 3, 3));

    QString s_alpha("alpha");
    QString s_beta("beta");
    QStringRef alpha(&s_alpha);
    QStringRef beta(&s_beta);

    QVERIFY(alpha < beta);
    QVERIFY(alpha <= beta);
    QVERIFY(alpha <= alpha);
    QVERIFY(beta > alpha);
    QVERIFY(beta >= alpha);
    QVERIFY(beta >= beta);

    QString s_alpha2("alpha");

    QMap<QStringRef, QString> map;
    map.insert(alpha, "alpha");
    map.insert(beta, "beta");
    QVERIFY(alpha == map.value(QStringRef(&s_alpha2)));

    QHash<QStringRef, QString> hash;
    hash.insert(alpha, "alpha");
    hash.insert(beta, "beta");

    QVERIFY(alpha == hash.value(QStringRef(&s_alpha2)));
}

void tst_QString::leftJustified()
{
    QString a;
    a="ABC";
    QCOMPARE(a.leftJustified(5,'-'),(QString)"ABC--");
    QCOMPARE(a.leftJustified(4,'-'),(QString)"ABC-");
    QCOMPARE(a.leftJustified(4),(QString)"ABC ");
    QCOMPARE(a.leftJustified(3),(QString)"ABC");
    QCOMPARE(a.leftJustified(2),(QString)"ABC");
    QCOMPARE(a.leftJustified(1),(QString)"ABC");
    QCOMPARE(a.leftJustified(0),(QString)"ABC");

    QString n;
    QVERIFY(!n.leftJustified(3).isNull());
    QCOMPARE(a.leftJustified(4,' ',true),(QString)"ABC ");
    QCOMPARE(a.leftJustified(3,' ',true),(QString)"ABC");
    QCOMPARE(a.leftJustified(2,' ',true),(QString)"AB");
    QCOMPARE(a.leftJustified(1,' ',true),(QString)"A");
    QCOMPARE(a.leftJustified(0,' ',true),(QString)"");
}

void tst_QString::rightJustified()
{
    QString a;
    a="ABC";
    QCOMPARE(a.rightJustified(5,'-'),(QString)"--ABC");
    QCOMPARE(a.rightJustified(4,'-'),(QString)"-ABC");
    QCOMPARE(a.rightJustified(4),(QString)" ABC");
    QCOMPARE(a.rightJustified(3),(QString)"ABC");
    QCOMPARE(a.rightJustified(2),(QString)"ABC");
    QCOMPARE(a.rightJustified(1),(QString)"ABC");
    QCOMPARE(a.rightJustified(0),(QString)"ABC");

    QString n;
    QVERIFY(!n.rightJustified(3).isNull());
    QCOMPARE(a.rightJustified(4,'-',true),(QString)"-ABC");
    QCOMPARE(a.rightJustified(4,' ',true),(QString)" ABC");
    QCOMPARE(a.rightJustified(3,' ',true),(QString)"ABC");
    QCOMPARE(a.rightJustified(2,' ',true),(QString)"AB");
    QCOMPARE(a.rightJustified(1,' ',true),(QString)"A");
    QCOMPARE(a.rightJustified(0,' ',true),(QString)"");
    QCOMPARE(a,(QString)"ABC");
}

void tst_QString::toUpper()
{
    QCOMPARE( QString().toUpper(), QString() );
    QCOMPARE( QString("").toUpper(), QString("") );
    QCOMPARE( QString("text").toUpper(), QString("TEXT") );
    QCOMPARE( QString("Text").toUpper(), QString("TEXT") );
    QCOMPARE( QString("tExt").toUpper(), QString("TEXT") );
    QCOMPARE( QString("teXt").toUpper(), QString("TEXT") );
    QCOMPARE( QString("texT").toUpper(), QString("TEXT") );
    QCOMPARE( QString("TExt").toUpper(), QString("TEXT") );
    QCOMPARE( QString("teXT").toUpper(), QString("TEXT") );
    QCOMPARE( QString("tEXt").toUpper(), QString("TEXT") );
    QCOMPARE( QString("tExT").toUpper(), QString("TEXT") );
    QCOMPARE( QString("TEXT").toUpper(), QString("TEXT") );
    QCOMPARE( QString("@ABYZ[").toUpper(), QString("@ABYZ["));
    QCOMPARE( QString("@abyz[").toUpper(), QString("@ABYZ["));
    QCOMPARE( QString("`ABYZ{").toUpper(), QString("`ABYZ{"));
    QCOMPARE( QString("`abyz{").toUpper(), QString("`ABYZ{"));

    QCOMPARE( QString(1, QChar(0xdf)).toUpper(), QString("SS"));

    QString lower, upper;
    lower += QChar(QChar::highSurrogate(0x10428));
    lower += QChar(QChar::lowSurrogate(0x10428));
    upper += QChar(QChar::highSurrogate(0x10400));
    upper += QChar(QChar::lowSurrogate(0x10400));
    QCOMPARE( lower.toUpper(), upper);
    lower += lower;
    upper += upper;
    QCOMPARE( lower.toUpper(), upper);

    // test for broken surrogate pair handling (low low hi low hi low)
    lower.prepend(QChar(QChar::lowSurrogate(0x10428)));
    lower.prepend(QChar(QChar::lowSurrogate(0x10428)));
    upper.prepend(QChar(QChar::lowSurrogate(0x10428)));
    upper.prepend(QChar(QChar::lowSurrogate(0x10428)));
    QCOMPARE(lower.toUpper(), upper);
    // test for broken surrogate pair handling (low low hi low hi low hi hi)
    lower += QChar(QChar::highSurrogate(0x10428));
    lower += QChar(QChar::highSurrogate(0x10428));
    upper += QChar(QChar::highSurrogate(0x10428));
    upper += QChar(QChar::highSurrogate(0x10428));
    QCOMPARE(lower.toUpper(), upper);

#ifdef QT_USE_ICU
    // test doesn't work with ICU support, since QChar is unaware of any locale
    QEXPECT_FAIL("", "test doesn't work with ICU support, since QChar is unaware of any locale", Continue);
    QVERIFY(false);
#else
    for (int i = 0; i < 65536; ++i) {
        QString str(1, QChar(i));
        QString upper = str.toUpper();
        QVERIFY(upper.length() >= 1);
        if (upper.length() == 1)
            QVERIFY(upper == QString(1, QChar(i).toUpper()));
    }
#endif
}

void tst_QString::toLower()
{
    QCOMPARE( QString().toLower(), QString() );
    QCOMPARE( QString("").toLower(), QString("") );
    QCOMPARE( QString("text").toLower(), QString("text") );
    QCOMPARE( QString("Text").toLower(), QString("text") );
    QCOMPARE( QString("tExt").toLower(), QString("text") );
    QCOMPARE( QString("teXt").toLower(), QString("text") );
    QCOMPARE( QString("texT").toLower(), QString("text") );
    QCOMPARE( QString("TExt").toLower(), QString("text") );
    QCOMPARE( QString("teXT").toLower(), QString("text") );
    QCOMPARE( QString("tEXt").toLower(), QString("text") );
    QCOMPARE( QString("tExT").toLower(), QString("text") );
    QCOMPARE( QString("TEXT").toLower(), QString("text") );
    QCOMPARE( QString("@ABYZ[").toLower(), QString("@abyz["));
    QCOMPARE( QString("@abyz[").toLower(), QString("@abyz["));
    QCOMPARE( QString("`ABYZ{").toLower(), QString("`abyz{"));
    QCOMPARE( QString("`abyz{").toLower(), QString("`abyz{"));

    QCOMPARE( QString(1, QChar(0x130)).toLower(), QString(QString(1, QChar(0x69)) + QChar(0x307)));

    QString lower, upper;
    lower += QChar(QChar::highSurrogate(0x10428));
    lower += QChar(QChar::lowSurrogate(0x10428));
    upper += QChar(QChar::highSurrogate(0x10400));
    upper += QChar(QChar::lowSurrogate(0x10400));
    QCOMPARE( upper.toLower(), lower);
    lower += lower;
    upper += upper;
    QCOMPARE( upper.toLower(), lower);

    // test for broken surrogate pair handling (low low hi low hi low)
    lower.prepend(QChar(QChar::lowSurrogate(0x10400)));
    lower.prepend(QChar(QChar::lowSurrogate(0x10400)));
    upper.prepend(QChar(QChar::lowSurrogate(0x10400)));
    upper.prepend(QChar(QChar::lowSurrogate(0x10400)));
    QCOMPARE( upper.toLower(), lower);
    // test for broken surrogate pair handling (low low hi low hi low hi hi)
    lower += QChar(QChar::highSurrogate(0x10400));
    lower += QChar(QChar::highSurrogate(0x10400));
    upper += QChar(QChar::highSurrogate(0x10400));
    upper += QChar(QChar::highSurrogate(0x10400));
    QCOMPARE( upper.toLower(), lower);

#ifdef QT_USE_ICU
    // test doesn't work with ICU support, since QChar is unaware of any locale
    QEXPECT_FAIL("", "test doesn't work with ICU support, since QChar is unaware of any locale", Continue);
    QVERIFY(false);
#else
    for (int i = 0; i < 65536; ++i) {
        QString str(1, QChar(i));
        QString lower = str.toLower();
        QVERIFY(lower.length() >= 1);
        if (lower.length() == 1)
            QVERIFY(str.toLower() == QString(1, QChar(i).toLower()));
    }
#endif
}

void tst_QString::toCaseFolded()
{
    QCOMPARE( QString().toCaseFolded(), QString() );
    QCOMPARE( QString("").toCaseFolded(), QString("") );
    QCOMPARE( QString("text").toCaseFolded(), QString("text") );
    QCOMPARE( QString("Text").toCaseFolded(), QString("text") );
    QCOMPARE( QString("tExt").toCaseFolded(), QString("text") );
    QCOMPARE( QString("teXt").toCaseFolded(), QString("text") );
    QCOMPARE( QString("texT").toCaseFolded(), QString("text") );
    QCOMPARE( QString("TExt").toCaseFolded(), QString("text") );
    QCOMPARE( QString("teXT").toCaseFolded(), QString("text") );
    QCOMPARE( QString("tEXt").toCaseFolded(), QString("text") );
    QCOMPARE( QString("tExT").toCaseFolded(), QString("text") );
    QCOMPARE( QString("TEXT").toCaseFolded(), QString("text") );
    QCOMPARE( QString("@ABYZ[").toCaseFolded(), QString("@abyz["));
    QCOMPARE( QString("@abyz[").toCaseFolded(), QString("@abyz["));
    QCOMPARE( QString("`ABYZ{").toCaseFolded(), QString("`abyz{"));
    QCOMPARE( QString("`abyz{").toCaseFolded(), QString("`abyz{"));

    QCOMPARE( QString(1, QChar(0xa77d)).toCaseFolded(), QString(1, QChar(0x1d79)));
    QCOMPARE( QString(1, QChar(0xa78d)).toCaseFolded(), QString(1, QChar(0x0265)));

    QString lower, upper;
    upper += QChar(QChar::highSurrogate(0x10400));
    upper += QChar(QChar::lowSurrogate(0x10400));
    lower += QChar(QChar::highSurrogate(0x10428));
    lower += QChar(QChar::lowSurrogate(0x10428));
    QCOMPARE( upper.toCaseFolded(), lower);
    lower += lower;
    upper += upper;
    QCOMPARE( upper.toCaseFolded(), lower);

    // test for broken surrogate pair handling (low low hi low hi low)
    lower.prepend(QChar(QChar::lowSurrogate(0x10400)));
    lower.prepend(QChar(QChar::lowSurrogate(0x10400)));
    upper.prepend(QChar(QChar::lowSurrogate(0x10400)));
    upper.prepend(QChar(QChar::lowSurrogate(0x10400)));
    QCOMPARE(upper.toCaseFolded(), lower);
    // test for broken surrogate pair handling (low low hi low hi low hi hi)
    lower += QChar(QChar::highSurrogate(0x10400));
    lower += QChar(QChar::highSurrogate(0x10400));
    upper += QChar(QChar::highSurrogate(0x10400));
    upper += QChar(QChar::highSurrogate(0x10400));
    QCOMPARE(upper.toCaseFolded(), lower);

    //### we currently don't support full case foldings
    for (int i = 0; i < 65536; ++i) {
        QString str(1, QChar(i));
        QString lower = str.toCaseFolded();
        QVERIFY(lower.length() >= 1);
        if (lower.length() == 1)
            QVERIFY(str.toCaseFolded() == QString(1, QChar(i).toCaseFolded()));
    }
}

void tst_QString::trimmed()
{
    QString a;
    a="Text";
    QCOMPARE(a,(QString)"Text");
    QCOMPARE(a.trimmed(),(QString)"Text");
    QCOMPARE(a,(QString)"Text");
    a=" ";
    QCOMPARE(a.trimmed(),(QString)"");
    QCOMPARE(a,(QString)" ");
    a=" a   ";
    QCOMPARE(a.trimmed(),(QString)"a");
}

void tst_QString::simplified_data()
{
    QTest::addColumn<QString>("full" );
    QTest::addColumn<QString>("simple" );

    QTest::newRow("null") << QString() << QString();
    QTest::newRow("empty") << "" << "";
    QTest::newRow("one char") << "a" << "a";
    QTest::newRow("one word") << "foo" << "foo";
    QTest::newRow("chars trivial") << "a b" << "a b";
    QTest::newRow("words trivial") << "foo bar" << "foo bar";
    QTest::newRow("allspace") << "  \t\v " << "";
    QTest::newRow("char trailing") << "a " << "a";
    QTest::newRow("char trailing tab") << "a\t" << "a";
    QTest::newRow("char multitrailing") << "a   " << "a";
    QTest::newRow("char multitrailing tab") << "a   \t" << "a";
    QTest::newRow("char leading") << " a" << "a";
    QTest::newRow("char leading tab") << "\ta" << "a";
    QTest::newRow("char multileading") << "   a" << "a";
    QTest::newRow("char multileading tab") << "\t   a" << "a";
    QTest::newRow("chars apart") << "a  b" << "a b";
    QTest::newRow("words apart") << "foo  bar" << "foo bar";
    QTest::newRow("enclosed word") << "   foo \t " << "foo";
    QTest::newRow("enclosed chars apart") << " a   b " << "a b";
    QTest::newRow("enclosed words apart") << " foo   bar " << "foo bar";
    QTest::newRow("chars apart posttab") << "a \tb" << "a b";
    QTest::newRow("chars apart pretab") << "a\t b" << "a b";
    QTest::newRow("many words") << "  just some    random\ttext here" << "just some random text here";
}

void tst_QString::simplified()
{
    QFETCH(QString, full);
    QFETCH(QString, simple);

    QString result = full.simplified();
    if (simple.isNull()) {
        QVERIFY2(result.isNull(), qPrintable("'" + full + "' did not yield null: " + result));
    } else if (simple.isEmpty()) {
        QVERIFY2(result.isEmpty() && !result.isNull(), qPrintable("'" + full + "' did not yield empty: " + result));
    } else {
        QCOMPARE(result, simple);
        if (full == simple)
            QVERIFY(result.isSharedWith(full));
    }
}

void tst_QString::insert()
{
    QString a;

    a = "Ys";
    QCOMPARE(a.insert(1,'e'), QString("Yes"));
    QCOMPARE(a.insert(3,'!'), QString("Yes!"));
    QCOMPARE(a.insert(5,'?'), QString("Yes! ?"));

    a = "ABC";
    QCOMPARE(a.insert(5,"DEF"), QString("ABC  DEF"));

    a = "ABC";
    QCOMPARE(a.insert(2, QString()), QString("ABC"));
    QCOMPARE(a.insert(0,"ABC"), QString("ABCABC"));
    QCOMPARE(a, QString("ABCABC"));
    QCOMPARE(a.insert(0,a), QString("ABCABCABCABC"));

    QCOMPARE(a, QString("ABCABCABCABC"));
    QCOMPARE(a.insert(0,'<'), QString("<ABCABCABCABC"));
    QCOMPARE(a.insert(1,'>'), QString("<>ABCABCABCABC"));

    a = "Meal";
    QCOMPARE(a.insert(1, QLatin1String("ontr")), QString("Montreal"));
    QCOMPARE(a.insert(4, ""), QString("Montreal"));
    QCOMPARE(a.insert(3, QLatin1String("")), QString("Montreal"));
    QCOMPARE(a.insert(3, QLatin1String(0)), QString("Montreal"));
    QCOMPARE(a.insert(3, static_cast<const char *>(0)), QString("Montreal"));
    QCOMPARE(a.insert(0, QLatin1String("a")), QString("aMontreal"));
}

void tst_QString::append()
{
    {
        QString a;
        a = "<>ABCABCABCABC";
        QCOMPARE(a.append(">"),QString("<>ABCABCABCABC>"));
    }

    {
        QString a;
        static const QChar unicode[] = { 'H', 'e', 'l', 'l', 'o', ',', ' ', 'W', 'o', 'r', 'l', 'd', '!' };
        a.append(unicode, sizeof unicode / sizeof *unicode);
        QCOMPARE(a, QLatin1String("Hello, World!"));
        static const QChar nl('\n');
        a.append(&nl, 1);
        QCOMPARE(a, QLatin1String("Hello, World!\n"));
        a.append(unicode, sizeof unicode / sizeof *unicode);
        QCOMPARE(a, QLatin1String("Hello, World!\nHello, World!"));
        a.append(unicode, 0); // no-op
        QCOMPARE(a, QLatin1String("Hello, World!\nHello, World!"));
        a.append(unicode, -1); // no-op
        QCOMPARE(a, QLatin1String("Hello, World!\nHello, World!"));
        a.append(0, 1); // no-op
        QCOMPARE(a, QLatin1String("Hello, World!\nHello, World!"));
    }
}

void tst_QString::append_bytearray_data()
{
    QTest::addColumn<QString>("str" );
    QTest::addColumn<QByteArray>("ba" );
    QTest::addColumn<QString>("res" );

    QByteArray ba( 5, 0 );
    ba[0] = 'a';
    ba[1] = 'b';
    ba[2] = 'c';
    ba[3] = 'd';

    // no 0 termination
    ba.resize( 4 );
    QTest::newRow( "notTerminated_0" ) << QString() << ba << QString("abcd");
    QTest::newRow( "notTerminated_1" ) << QString("") << ba << QString("abcd");
    QTest::newRow( "notTerminated_2" ) << QString("foobar ") << ba << QString("foobar abcd");

    // byte array with only a 0
    ba.resize( 1 );
    ba[0] = 0;
    QByteArray ba2("foobar ");
    ba2.append('\0');
    QTest::newRow( "emptyString" ) << QString("foobar ") << ba << QString(ba2);

    // empty byte array
    ba.resize( 0 );
    QTest::newRow( "emptyByteArray" ) << QString("foobar ") << ba << QString("foobar ");

    // non-ascii byte array
    QTest::newRow( "nonAsciiByteArray") << QString() << QByteArray("\xc3\xa9") << QString("\xc3\xa9");
    QTest::newRow( "nonAsciiByteArray2") << QString() << QByteArray("\xc3\xa9") << QString::fromUtf8("\xc3\xa9");
}

void tst_QString::append_bytearray()
{
    {
        QFETCH( QString, str );
        QFETCH( QByteArray, ba );

        str.append( ba );

        QTEST( str, "res" );
    }
    {
        QFETCH( QString, str );
        QFETCH( QByteArray, ba );

        str.append( ba );

        QTEST( str, "res" );
    }

    QFETCH( QByteArray, ba );
    if (ba.constData()[ba.length()] == '\0') {
        QFETCH( QString, str );

        str.append(ba.constData());
        QTEST( str, "res" );
    }
}

void tst_QString::operator_pluseq_bytearray_data()
{
    append_bytearray_data();
}

void tst_QString::operator_pluseq_bytearray()
{
    {
        QFETCH( QString, str );
        QFETCH( QByteArray, ba );

        str += ba;

        QTEST( str, "res" );
    }
    {
        QFETCH( QString, str );
        QFETCH( QByteArray, ba );

        str += ba;

        QTEST( str, "res" );
    }

    QFETCH( QByteArray, ba );
    if (ba.constData()[ba.length()] == '\0') {
        QFETCH( QString, str );

        str += ba.constData();
        QTEST( str, "res" );
    }
}

void tst_QString::operator_eqeq_bytearray_data()
{
    constructorQByteArray_data();
}

void tst_QString::operator_eqeq_bytearray()
{
    QFETCH(QByteArray, src);
    QFETCH(QString, expected);

    QVERIFY(expected == src);
    QVERIFY(!(expected != src));

    if (src.constData()[src.length()] == '\0') {
        QVERIFY(expected == src.constData());
        QVERIFY(!(expected != src.constData()));
    }
}

void tst_QString::swap()
{
    QString s1, s2;
    s1 = "s1";
    s2 = "s2";
    s1.swap(s2);
    QCOMPARE(s1,QLatin1String("s2"));
    QCOMPARE(s2,QLatin1String("s1"));
}

void tst_QString::prepend()
{
    QString a;
    a = "<>ABCABCABCABC>";
    QCOMPARE(a.prepend("-"),(QString)"-<>ABCABCABCABC>");
}

void tst_QString::prepend_bytearray_data()
{
    QTest::addColumn<QString>("str" );
    QTest::addColumn<QByteArray>("ba" );
    QTest::addColumn<QString>("res" );

    QByteArray ba( 5, 0 );
    ba[0] = 'a';
    ba[1] = 'b';
    ba[2] = 'c';
    ba[3] = 'd';

    // byte array with only a 0
    ba.resize( 1 );
    ba[0] = 0;
    QTest::newRow( "emptyString" ) << QString("foobar ") << ba << QString("foobar ");

    // empty byte array
    ba.resize( 0 );
    QTest::newRow( "emptyByteArray" ) << QString(" foobar") << ba << QString(" foobar");

    // non-ascii byte array
    QTest::newRow( "nonAsciiByteArray") << QString() << QByteArray("\xc3\xa9") << QString("\xc3\xa9");
    QTest::newRow( "nonAsciiByteArray2") << QString() << QByteArray("\xc3\xa9") << QString::fromUtf8("\xc3\xa9");
}

void tst_QString::prepend_bytearray()
{
    {
        QFETCH( QString, str );
        QFETCH( QByteArray, ba );

        str.prepend( ba );

        QFETCH( QString, res );
        QCOMPARE( str, res );
    }
    {
        QFETCH( QString, str );
        QFETCH( QByteArray, ba );

        str.prepend( ba );

        QTEST( str, "res" );
    }

    QFETCH( QByteArray, ba );
    if (ba.constData()[ba.length()] == '\0') {
        QFETCH( QString, str );

        str.prepend(ba.constData());
        QTEST( str, "res" );
    }
}

void tst_QString::replace_uint_uint()
{
    QFETCH( QString, string );
    QFETCH( int, index );
    QFETCH( int, len );
    QFETCH( QString, after );

    QString s1 = string;
    s1.replace( (uint) index, (int) len, after );
    QTEST( s1, "result" );

    QString s2 = string;
    s2.replace( (uint) index, (uint) len, after.unicode(), after.length() );
    QTEST( s2, "result" );

    if ( after.length() == 1 ) {
        QString s3 = string;
        s3.replace( (uint) index, (uint) len, QChar(after[0]) );
        QTEST( s3, "result" );

        QString s4 = string;
        s4.replace( (uint) index, (uint) len, QChar(after[0]).toLatin1() );
        QTEST( s4, "result" );
    }
}

void tst_QString::replace_uint_uint_extra()
{
    /*
        This test is designed to be extremely slow if QString::replace() doesn't optimize the case
        len == after.size().
    */
    QString str("dsfkljfdsjklsdjsfjklfsdjkldfjslkjsdfkllkjdsfjklsfdkjsdflkjlsdfjklsdfkjldsflkjsddlkj");
    for (int j = 1; j < 12; ++j)
        str += str;

    QString str2("aaaaaaaaaaaaaaaaaaaa");
    for (int i = 0; i < 2000000; ++i) {
        str.replace(10, 20, str2);
    }

    /*
        Make sure that replacing with itself works.
    */
    QString copy(str);
    copy.detach();
    str.replace(0, str.length(), str);
    QVERIFY(copy == str);

    /*
        Make sure that replacing a part of oneself with itself works.
    */
    QString str3("abcdefghij");
    str3.replace(0, 1, str3);
    QCOMPARE(str3, QString("abcdefghijbcdefghij"));

    QString str4("abcdefghij");
    str4.replace(1, 3, str4);
    QCOMPARE(str4, QString("aabcdefghijefghij"));

    QString str5("abcdefghij");
    str5.replace(8, 10, str5);
    QCOMPARE(str5, QString("abcdefghabcdefghij"));
}

void tst_QString::replace_string()
{
    QFETCH( QString, string );
    QFETCH( QString, before );
    QFETCH( QString, after );
    QFETCH( bool, bcs );

    Qt::CaseSensitivity cs = bcs ? Qt::CaseSensitive : Qt::CaseInsensitive;

    if ( before.length() == 1 ) {
        QChar ch = before.at( 0 );

        QString s1 = string;
        s1.replace( ch, after, cs );
        QTEST( s1, "result" );

        if ( QChar(ch.toLatin1()) == ch ) {
            QString s2 = string;
            s2.replace( ch.toLatin1(), after, cs );
            QTEST( s2, "result" );
        }
    }

    QString s3 = string;
    s3.replace( before, after, cs );
    QTEST( s3, "result" );

    QString s4 = string;
    s4.replace( QRegExp(QRegExp::escape(before), cs), after );
    QTEST( s4, "result" );

    QString s5 = string;
    s5.replace(QRegExp(before, cs, QRegExp::FixedString), after);
    QTEST( s5, "result" );
}

void tst_QString::replace_regexp()
{
    QFETCH( QString, string );
    QFETCH( QString, regexp );
    QFETCH( QString, after );

    QString s2 = string;
    s2.replace( QRegExp(regexp), after );
    QTEST( s2, "result" );
    s2 = string;
    QRegularExpression regularExpression(regexp);
    if (!regularExpression.isValid())
        QTest::ignoreMessage(QtWarningMsg, "QString::replace: invalid QRegularExpression object");
    s2.replace( regularExpression, after );
    QTEST( s2, "result" );
}

void tst_QString::remove_uint_uint()
{
    QFETCH( QString, string );
    QFETCH( int, index );
    QFETCH( int, len );
    QFETCH( QString, after );

    if ( after.length() == 0 ) {
        QString s1 = string;
        s1.remove( (uint) index, (uint) len );
        QTEST( s1, "result" );
    } else
        QCOMPARE( 0, 0 ); // shut Qt Test
}

void tst_QString::remove_string()
{
    QFETCH( QString, string );
    QFETCH( QString, before );
    QFETCH( QString, after );
    QFETCH( bool, bcs );

    Qt::CaseSensitivity cs = bcs ? Qt::CaseSensitive : Qt::CaseInsensitive;

    if ( after.length() == 0 ) {
        if ( before.length() == 1 && cs ) {
            QChar ch = before.at( 0 );

            QString s1 = string;
            s1.remove( ch );
            QTEST( s1, "result" );

            if ( QChar(ch.toLatin1()) == ch ) {
                QString s2 = string;
                s2.remove( ch );
                QTEST( s2, "result" );
            }
        }

        QString s3 = string;
        s3.remove( before, cs );
        QTEST( s3, "result" );

        QString s4 = string;
        s4.replace( QRegExp(QRegExp::escape(before), cs), after );
        QTEST( s4, "result" );

        QString s5 = string;
        s5.replace( QRegExp(before, cs, QRegExp::FixedString), after );
        QTEST( s5, "result" );
    } else {
        QCOMPARE( 0, 0 ); // shut Qt Test
    }
}

void tst_QString::remove_regexp()
{
    QFETCH( QString, string );
    QFETCH( QString, regexp );
    QFETCH( QString, after );

    if ( after.length() == 0 ) {
        QString s2 = string;
        s2.remove( QRegExp(regexp) );
        QTEST( s2, "result" );

        s2 = string;
        s2.remove( QRegularExpression(regexp) );
        QTEST( s2, "result" );
    } else {
        QCOMPARE( 0, 0 ); // shut Qt Test
    }
}

void tst_QString::toNum()
{
#if defined (Q_OS_WIN) && defined (Q_CC_MSVC)
#define TEST_TO_INT(num, func) \
    a = #num; \
    QVERIFY2(a.func(&ok) == num ## i64 && ok, "Failed: num=" #num ", func=" #func);
#else
#define TEST_TO_INT(num, func) \
    a = #num; \
    QVERIFY2(a.func(&ok) == num ## LL && ok, "Failed: num=" #num ", func=" #func);
#endif

    QString a;
    bool ok = false;

    TEST_TO_INT(0, toInt)
    TEST_TO_INT(-1, toInt)
    TEST_TO_INT(1, toInt)
    TEST_TO_INT(2147483647, toInt)
    TEST_TO_INT(-2147483648, toInt)

    TEST_TO_INT(0, toShort)
    TEST_TO_INT(-1, toShort)
    TEST_TO_INT(1, toShort)
    TEST_TO_INT(32767, toShort)
    TEST_TO_INT(-32768, toShort)

    TEST_TO_INT(0, toLong)
    TEST_TO_INT(-1, toLong)
    TEST_TO_INT(1, toLong)
    TEST_TO_INT(2147483647, toLong)
    TEST_TO_INT(-2147483648, toLong)
    TEST_TO_INT(0, toLongLong)
    TEST_TO_INT(-1, toLongLong)
    TEST_TO_INT(1, toLongLong)
    TEST_TO_INT(9223372036854775807, toLongLong)
    TEST_TO_INT(-9223372036854775807, toLongLong)

#undef TEST_TO_INT

#if defined (Q_OS_WIN) && defined (Q_CC_MSVC)
#define TEST_TO_UINT(num, func) \
    a = #num; \
    QVERIFY2(a.func(&ok) == num ## i64 && ok, "Failed: num=" #num ", func=" #func);
#else
#define TEST_TO_UINT(num, func) \
    a = #num; \
    QVERIFY2(a.func(&ok) == num ## ULL && ok, "Failed: num=" #num ", func=" #func);
#endif

    TEST_TO_UINT(0, toUInt)
    TEST_TO_UINT(1, toUInt)
    TEST_TO_UINT(4294967295, toUInt)

    TEST_TO_UINT(0, toUShort)
    TEST_TO_UINT(1, toUShort)
    TEST_TO_UINT(65535, toUShort)

    TEST_TO_UINT(0, toULong)
    TEST_TO_UINT(1, toULong)
    TEST_TO_UINT(4294967295, toULong)

    TEST_TO_UINT(0, toULongLong)
    TEST_TO_UINT(1, toULongLong)
    TEST_TO_UINT(18446744073709551615, toULongLong)
#undef TEST_TO_UINT


#define TEST_BASE(str, base, num) \
    a = str; \
    QVERIFY2(a.toInt(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toInt"); \
    QVERIFY2(a.toUInt(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toUInt"); \
    QVERIFY2(a.toShort(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toShort"); \
    QVERIFY2(a.toUShort(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toUShort"); \
    QVERIFY2(a.toLong(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toLong"); \
    QVERIFY2(a.toULong(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toULong"); \
    QVERIFY2(a.toLongLong(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toLongLong"); \
    QVERIFY2(a.toULongLong(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toULongLong");

    TEST_BASE("FF", 16, 255)
    TEST_BASE("0xFF", 16, 255)
    TEST_BASE("77", 8, 63)
    TEST_BASE("077", 8, 63)

    TEST_BASE("0xFF", 0, 255)
    TEST_BASE("077", 0, 63)
    TEST_BASE("255", 0, 255)

    TEST_BASE(" FF", 16, 255)
    TEST_BASE(" 0xFF", 16, 255)
    TEST_BASE(" 77", 8, 63)
    TEST_BASE(" 077", 8, 63)

    TEST_BASE(" 0xFF", 0, 255)
    TEST_BASE(" 077", 0, 63)
    TEST_BASE(" 255", 0, 255)

    TEST_BASE("\tFF\t", 16, 255)
    TEST_BASE("\t0xFF  ", 16, 255)
    TEST_BASE("   77   ", 8, 63)
    TEST_BASE("77  ", 8, 63)

#undef TEST_BASE

#define TEST_NEG_BASE(str, base, num) \
    a = str; \
    QVERIFY2(a.toInt(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toInt"); \
    QVERIFY2(a.toShort(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toShort"); \
    QVERIFY2(a.toLong(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toLong"); \
    QVERIFY2(a.toLongLong(&ok, base) == num && ok, "Failed: str=" #str " base= "#base " num=" #num ", func=toLongLong");

    TEST_NEG_BASE("-FE", 16, -254)
    TEST_NEG_BASE("-0xFE", 16, -254)
    TEST_NEG_BASE("-77", 8, -63)
    TEST_NEG_BASE("-077", 8, -63)

    TEST_NEG_BASE("-0xFE", 0, -254)
    TEST_NEG_BASE("-077", 0, -63)
    TEST_NEG_BASE("-254", 0, -254)

#undef TEST_NEG_BASE

#define TEST_DOUBLE(num, str) \
    a = str; \
    QCOMPARE(a.toDouble(&ok), num); \
    QVERIFY(ok);

    TEST_DOUBLE(1.2345, "1.2345")
    TEST_DOUBLE(12.345, "1.2345e+01")
    TEST_DOUBLE(12.345, "1.2345E+01")
    TEST_DOUBLE(12345.6, "12345.6")

#undef TEST_DOUBLE


#define TEST_BAD(str, func) \
    a = str; \
    a.func(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str " func=" #func);

    TEST_BAD("32768", toShort)
    TEST_BAD("-32769", toShort)
    TEST_BAD("65536", toUShort)
    TEST_BAD("2147483648", toInt)
    TEST_BAD("-2147483649", toInt)
    TEST_BAD("4294967296", toUInt)
    if (sizeof(long) == 4) {
        TEST_BAD("2147483648", toLong)
        TEST_BAD("-2147483649", toLong)
        TEST_BAD("4294967296", toULong)
    }
    TEST_BAD("9223372036854775808", toLongLong)
    TEST_BAD("-9223372036854775809", toLongLong)
    TEST_BAD("18446744073709551616", toULongLong)
    TEST_BAD("-1", toUShort)
    TEST_BAD("-1", toUInt)
    TEST_BAD("-1", toULong)
    TEST_BAD("-1", toULongLong)
#undef TEST_BAD

#define TEST_BAD_ALL(str) \
    a = str; \
    a.toShort(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str); \
    a.toUShort(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str); \
    a.toInt(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str); \
    a.toUInt(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str); \
    a.toLong(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str); \
    a.toULong(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str); \
    a.toLongLong(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str); \
    a.toULongLong(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str); \
    a.toFloat(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str); \
    a.toDouble(&ok); \
    QVERIFY2(!ok, "Failed: str=" #str);

    TEST_BAD_ALL((const char*)0);
    TEST_BAD_ALL("");
    TEST_BAD_ALL(" ");
    TEST_BAD_ALL(".");
    TEST_BAD_ALL("-");
    TEST_BAD_ALL("hello");
    TEST_BAD_ALL("1.2.3");
    TEST_BAD_ALL("0x0x0x");
    TEST_BAD_ALL("123-^~<");
    TEST_BAD_ALL("123ThisIsNotANumber");

#undef TEST_BAD_ALL

    a = "FF";
    a.toULongLong(&ok, 10);
    QVERIFY(!ok);

    a = "FF";
    a.toULongLong(&ok, 0);
    QVERIFY(!ok);

#ifdef QT_NO_FPU
    double d = 3.40282346638528e+38; // slightly off FLT_MAX when using hardfloats
#else
    double d = 3.4028234663852886e+38; // FLT_MAX
#endif
    QString::number(d, 'e', 17).toFloat(&ok);
    QVERIFY(ok);
    QString::number(d + 1e32, 'e', 17).toFloat(&ok);
    QVERIFY(!ok);
    QString::number(-d, 'e', 17).toFloat(&ok);
    QVERIFY(ok);
    QString::number(-d - 1e32, 'e', 17).toFloat(&ok);
    QVERIFY(!ok);
    QString::number(d + 1e32, 'e', 17).toDouble(&ok);
    QVERIFY(ok);
    QString::number(-d - 1e32, 'e', 17).toDouble(&ok);
    QVERIFY(ok);
}

void tst_QString::toUShort()
{
    QString a;
    bool ok;
    QCOMPARE(a.toUShort(),(ushort)0);
    QCOMPARE(a.toUShort(&ok),(ushort)0);
    QVERIFY(!ok);

    a="";
    QCOMPARE(a.toUShort(),(ushort)0);
    QCOMPARE(a.toUShort(&ok),(ushort)0);
    QVERIFY(!ok);

    a="COMPARE";
    QCOMPARE(a.toUShort(),(ushort)0);
    QCOMPARE(a.toUShort(&ok),(ushort)0);
    QVERIFY(!ok);

    a="123";
    QCOMPARE(a.toUShort(),(ushort)123);
    QCOMPARE(a.toUShort(&ok),(ushort)123);
    QVERIFY(ok);

    a="123A";
    QCOMPARE(a.toUShort(),(ushort)0);
    QCOMPARE(a.toUShort(&ok),(ushort)0);
    QVERIFY(!ok);

    a="1234567";
    QCOMPARE(a.toUShort(),(ushort)0);
    QCOMPARE(a.toUShort(&ok),(ushort)0);
    QVERIFY(!ok);

    a = "aaa123aaa";
    QCOMPARE(a.toUShort(),(ushort)0);
    QCOMPARE(a.toUShort(&ok),(ushort)0);
    QVERIFY(!ok);

    a = "aaa123";
    QCOMPARE(a.toUShort(),(ushort)0);
    QCOMPARE(a.toUShort(&ok),(ushort)0);
    QVERIFY(!ok);

    a = "123aaa";
    QCOMPARE(a.toUShort(),(ushort)0);
    QCOMPARE(a.toUShort(&ok),(ushort)0);
    QVERIFY(!ok);

    a = "32767";
    QCOMPARE(a.toUShort(),(ushort)32767);
    QCOMPARE(a.toUShort(&ok),(ushort)32767);
    QVERIFY(ok);

    a = "-32767";
    QCOMPARE(a.toUShort(),(ushort)0);
    QCOMPARE(a.toUShort(&ok),(ushort)0);
    QVERIFY(!ok);

    a = "65535";
    QCOMPARE(a.toUShort(),(ushort)65535);
    QCOMPARE(a.toUShort(&ok),(ushort)65535);
    QVERIFY(ok);

    if (sizeof(short) == 2) {
        a = "65536";
        QCOMPARE(a.toUShort(),(ushort)0);
        QCOMPARE(a.toUShort(&ok),(ushort)0);
        QVERIFY(!ok);

        a = "123456";
        QCOMPARE(a.toUShort(),(ushort)0);
        QCOMPARE(a.toUShort(&ok),(ushort)0);
        QVERIFY(!ok);
    }
}

void tst_QString::toShort()
{
    QString a;
    bool ok;
    QCOMPARE(a.toShort(),(short)0);
    QCOMPARE(a.toShort(&ok),(short)0);
    QVERIFY(!ok);

    a="";
    QCOMPARE(a.toShort(),(short)0);
    QCOMPARE(a.toShort(&ok),(short)0);
    QVERIFY(!ok);

    a="COMPARE";
    QCOMPARE(a.toShort(),(short)0);
    QCOMPARE(a.toShort(&ok),(short)0);
    QVERIFY(!ok);

    a="123";
    QCOMPARE(a.toShort(),(short)123);
    QCOMPARE(a.toShort(&ok),(short)123);
    QVERIFY(ok);

    a="123A";
    QCOMPARE(a.toShort(),(short)0);
    QCOMPARE(a.toShort(&ok),(short)0);
    QVERIFY(!ok);

    a="1234567";
    QCOMPARE(a.toShort(),(short)0);
    QCOMPARE(a.toShort(&ok),(short)0);
    QVERIFY(!ok);

    a = "aaa123aaa";
    QCOMPARE(a.toShort(),(short)0);
    QCOMPARE(a.toShort(&ok),(short)0);
    QVERIFY(!ok);

    a = "aaa123";
    QCOMPARE(a.toShort(),(short)0);
    QCOMPARE(a.toShort(&ok),(short)0);
    QVERIFY(!ok);

    a = "123aaa";
    QCOMPARE(a.toShort(),(short)0);
    QCOMPARE(a.toShort(&ok),(short)0);
    QVERIFY(!ok);

    a = "32767";
    QCOMPARE(a.toShort(),(short)32767);
    QCOMPARE(a.toShort(&ok),(short)32767);
    QVERIFY(ok);

    a = "-32767";
    QCOMPARE(a.toShort(),(short)-32767);
    QCOMPARE(a.toShort(&ok),(short)-32767);
    QVERIFY(ok);

    a = "-32768";
    QCOMPARE(a.toShort(),(short)-32768);
    QCOMPARE(a.toShort(&ok),(short)-32768);
    QVERIFY(ok);

    if (sizeof(short) == 2) {
        a = "32768";
        QCOMPARE(a.toShort(),(short)0);
        QCOMPARE(a.toShort(&ok),(short)0);
        QVERIFY(!ok);

        a = "-32769";
        QCOMPARE(a.toShort(),(short)0);
        QCOMPARE(a.toShort(&ok),(short)0);
        QVERIFY(!ok);
    }
}

void tst_QString::toInt()
{
    QString a;
    bool ok;
    QCOMPARE(a.toInt(),0);
    QCOMPARE(a.toInt(&ok),0);
    QVERIFY(!ok);

    a = "";
    QCOMPARE(a.toInt(),0);
    QCOMPARE(a.toInt(&ok),0);
    QVERIFY(!ok);

    a="COMPARE";
    QCOMPARE(a.toInt(),0);
    QCOMPARE(a.toInt(&ok),0);
    QVERIFY(!ok);

    a="123";
    QCOMPARE(a.toInt(),123);
    QCOMPARE(a.toInt(&ok),123);
    QVERIFY(ok);

    a="123A";
    QCOMPARE(a.toInt(),0);
    QCOMPARE(a.toInt(&ok),0);
    QVERIFY(!ok);

    a="1234567";
    QCOMPARE(a.toInt(),1234567);
    QCOMPARE(a.toInt(&ok),1234567);
    QVERIFY(ok);

    a="12345678901234";
    QCOMPARE(a.toInt(),0);
    QCOMPARE(a.toInt(&ok),0);
    QVERIFY(!ok);

    a="3234567890";
    QCOMPARE(a.toInt(),0);
    QCOMPARE(a.toInt(&ok),0);
    QVERIFY(!ok);

    a = "aaa12345aaa";
    QCOMPARE(a.toInt(),0);
    QCOMPARE(a.toInt(&ok),0);
    QVERIFY(!ok);

    a = "aaa12345";
    QCOMPARE(a.toInt(),0);
    QCOMPARE(a.toInt(&ok),0);
    QVERIFY(!ok);

    a = "12345aaa";
    QCOMPARE(a.toInt(),0);
    QCOMPARE(a.toInt(&ok),0);
    QVERIFY(!ok);

    a = "2147483647"; // 2**31 - 1
    QCOMPARE(a.toInt(),2147483647);
    QCOMPARE(a.toInt(&ok),2147483647);
    QVERIFY(ok);

    if (sizeof(int) == 4) {
        a = "-2147483647"; // -(2**31 - 1)
        QCOMPARE(a.toInt(),-2147483647);
        QCOMPARE(a.toInt(&ok),-2147483647);
        QVERIFY(ok);

        a = "2147483648"; // 2**31
        QCOMPARE(a.toInt(),0);
        QCOMPARE(a.toInt(&ok),0);
        QVERIFY(!ok);

        a = "-2147483648"; // -2**31
        QCOMPARE(a.toInt(),-2147483647 - 1);
        QCOMPARE(a.toInt(&ok),-2147483647 - 1);
        QVERIFY(ok);

        a = "2147483649"; // 2**31 + 1
        QCOMPARE(a.toInt(),0);
        QCOMPARE(a.toInt(&ok),0);
        QVERIFY(!ok);
    }
}

void tst_QString::toUInt()
{
    bool ok;
    QString a;
    a="3234567890";
    QCOMPARE(a.toUInt(&ok),3234567890u);
    QVERIFY(ok);

    a = "-50";
    QCOMPARE(a.toUInt(),0u);
    QCOMPARE(a.toUInt(&ok),0u);
    QVERIFY(!ok);

    a = "4294967295"; // 2**32 - 1
    QCOMPARE(a.toUInt(),4294967295u);
    QCOMPARE(a.toUInt(&ok),4294967295u);
    QVERIFY(ok);

    if (sizeof(int) == 4) {
        a = "4294967296"; // 2**32
        QCOMPARE(a.toUInt(),0u);
        QCOMPARE(a.toUInt(&ok),0u);
        QVERIFY(!ok);
    }
}

///////////////////////////// to*Long //////////////////////////////////////

void tst_QString::toULong_data()
{
    QTest::addColumn<QString>("str" );
    QTest::addColumn<int>("base" );
    QTest::addColumn<ulong>("result" );
    QTest::addColumn<bool>("ok" );

    QTest::newRow( "default" ) << QString() << 10 << 0UL << false;
    QTest::newRow( "empty" ) << QString("") << 10 << 0UL << false;
    QTest::newRow( "ulong1" ) << QString("3234567890") << 10 << 3234567890UL << true;
    QTest::newRow( "ulong2" ) << QString("fFFfFfFf") << 16 << 0xFFFFFFFFUL << true;
}

void tst_QString::toULong()
{
    QFETCH( QString, str );
    QFETCH( int, base );
    QFETCH( ulong, result );
    QFETCH( bool, ok );

    bool b;
    QCOMPARE( str.toULong( 0, base ), result );
    QCOMPARE( str.toULong( &b, base ), result );
    QCOMPARE( b, ok );
}

void tst_QString::toLong_data()
{
    QTest::addColumn<QString>("str" );
    QTest::addColumn<int>("base" );
    QTest::addColumn<long>("result" );
    QTest::addColumn<bool>("ok" );

    QTest::newRow( "default" ) << QString() << 10 << 0L << false;
    QTest::newRow( "empty" ) << QString("") << 10 << 0L << false;
    QTest::newRow( "normal" ) << QString("7fFFfFFf") << 16 << 0x7fFFfFFfL << true;
    QTest::newRow( "long_max" ) << QString("2147483647") << 10 << 2147483647L << true;
    if (sizeof(long) == 4) {
        QTest::newRow( "long_max+1" ) << QString("2147483648") << 10 << 0L << false;
        QTest::newRow( "long_min-1" ) << QString("-80000001") << 16 << 0L << false;
    }
    QTest::newRow( "negative" ) << QString("-7fffffff") << 16 << -0x7fffffffL << true;
//    QTest::newRow( "long_min" ) << QString("-80000000") << 16 << 0x80000000uL << true;
}

void tst_QString::toLong()
{
    QFETCH( QString, str );
    QFETCH( int, base );
    QFETCH( long, result );
    QFETCH( bool, ok );

    bool b;
    QCOMPARE( str.toLong( 0, base ), result );
    QCOMPARE( str.toLong( &b, base ), result );
    QCOMPARE( b, ok );
}


////////////////////////// to*LongLong //////////////////////////////////////

void tst_QString::toULongLong()
{
    QString str;
    bool ok;
    str = "18446744073709551615"; // ULLONG_MAX
    QCOMPARE( str.toULongLong( 0 ), Q_UINT64_C(18446744073709551615) );
    QCOMPARE( str.toULongLong( &ok ), Q_UINT64_C(18446744073709551615) );
    QVERIFY( ok );

    str = "18446744073709551616"; // ULLONG_MAX + 1
    QCOMPARE( str.toULongLong( 0 ), Q_UINT64_C(0) );
    QCOMPARE( str.toULongLong( &ok ), Q_UINT64_C(0) );
    QVERIFY( !ok );

    str = "-150";
    QCOMPARE( str.toULongLong( 0 ), Q_UINT64_C(0) );
    QCOMPARE( str.toULongLong( &ok ), Q_UINT64_C(0) );
    QVERIFY( !ok );
}

void tst_QString::toLongLong()
{
    QString str;
    bool ok;

    str = "9223372036854775807"; // LLONG_MAX
    QCOMPARE( str.toLongLong( 0 ), Q_INT64_C(9223372036854775807) );
    QCOMPARE( str.toLongLong( &ok ), Q_INT64_C(9223372036854775807) );
    QVERIFY( ok );

    str = "-9223372036854775808"; // LLONG_MIN
    QCOMPARE( str.toLongLong( 0 ),
             -Q_INT64_C(9223372036854775807) - Q_INT64_C(1) );
    QCOMPARE( str.toLongLong( &ok ),
             -Q_INT64_C(9223372036854775807) - Q_INT64_C(1) );
    QVERIFY( ok );

    str = "aaaa9223372036854775807aaaa";
    QCOMPARE( str.toLongLong( 0 ), Q_INT64_C(0) );
    QCOMPARE( str.toLongLong( &ok ), Q_INT64_C(0) );
    QVERIFY( !ok );

    str = "9223372036854775807aaaa";
    QCOMPARE( str.toLongLong( 0 ), Q_INT64_C(0) );
    QCOMPARE( str.toLongLong( &ok ), Q_INT64_C(0) );
    QVERIFY( !ok );

    str = "aaaa9223372036854775807";
    QCOMPARE( str.toLongLong( 0 ), Q_INT64_C(0) );
    QCOMPARE( str.toLongLong( &ok ), Q_INT64_C(0) );
    QVERIFY( !ok );

    static char digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";

    for (int i = 0; i < 36; ++i) {
        for (int j = 0; j < 36; ++j) {
            for (int k = 0; k < 36; ++k) {
                QString str;
                str += QChar(digits[i]);
                str += QChar(digits[j]);
                str += QChar(digits[k]);
                qlonglong value = (((i * 36) + j) * 36) + k;
                QVERIFY(str.toLongLong(0, 36) == value);
            }
        }
    }
}

////////////////////////////////////////////////////////////////////////////

void tst_QString::toFloat()
{
    QString a;
    bool ok;
    a="0.000000000931322574615478515625";
    QCOMPARE(a.toFloat(&ok),(float)(0.000000000931322574615478515625));
    QVERIFY(ok);
}

void tst_QString::toDouble_data()
{
    QTest::addColumn<QString>("str" );
    QTest::addColumn<double>("result" );
    QTest::addColumn<bool>("result_ok" );

    QTest::newRow( "ok00" ) << QString("0.000000000931322574615478515625") << 0.000000000931322574615478515625 << true;
    QTest::newRow( "ok01" ) << QString(" 123.45") << 123.45 << true;

    QTest::newRow( "ok02" ) << QString("0.1e10") << 0.1e10 << true;
    QTest::newRow( "ok03" ) << QString("0.1e-10") << 0.1e-10 << true;

    QTest::newRow( "ok04" ) << QString("1e10") << 1.0e10 << true;
    QTest::newRow( "ok05" ) << QString("1e+10") << 1.0e10 << true;
    QTest::newRow( "ok06" ) << QString("1e-10") << 1.0e-10 << true;

    QTest::newRow( "ok07" ) << QString(" 1e10") << 1.0e10 << true;
    QTest::newRow( "ok08" ) << QString("  1e+10") << 1.0e10 << true;
    QTest::newRow( "ok09" ) << QString("   1e-10") << 1.0e-10 << true;

    QTest::newRow( "ok10" ) << QString("1.") << 1.0 << true;
    QTest::newRow( "ok11" ) << QString(".1") << 0.1 << true;

    QTest::newRow( "wrong00" ) << QString("123.45 ") << 123.45 << true;
    QTest::newRow( "wrong01" ) << QString(" 123.45 ") << 123.45 << true;

    QTest::newRow( "wrong02" ) << QString("aa123.45aa") << 0.0 << false;
    QTest::newRow( "wrong03" ) << QString("123.45aa") << 0.0 << false;
    QTest::newRow( "wrong04" ) << QString("123erf") << 0.0 << false;

    QTest::newRow( "wrong05" ) << QString("abc") << 0.0 << false;
    QTest::newRow( "wrong06" ) << QString() << 0.0 << false;
    QTest::newRow( "wrong07" ) << QString("") << 0.0 << false;
}

void tst_QString::toDouble()
{
    QFETCH( QString, str );
    QFETCH( bool, result_ok );
    bool ok;
    double d = str.toDouble( &ok );
    if ( result_ok ) {
        QTEST( d, "result" );
        QVERIFY( ok );
    } else {
        QVERIFY( !ok );
    }
}

void tst_QString::setNum()
{
    QString a;
    QCOMPARE(a.setNum(123),(QString)"123");
    QCOMPARE(a.setNum(-123),(QString)"-123");
    QCOMPARE(a.setNum(0x123,16),(QString)"123");
    QCOMPARE(a.setNum((short)123),(QString)"123");
    QCOMPARE(a.setNum(123L),(QString)"123");
    QCOMPARE(a.setNum(123UL),(QString)"123");
    QCOMPARE(a.setNum(2147483647L), QString("2147483647")); // 32 bit LONG_MAX
    QCOMPARE(a.setNum(-2147483647L), QString("-2147483647")); // LONG_MIN + 1
    QCOMPARE(a.setNum(-2147483647L-1L), QString("-2147483648")); // LONG_MIN
    QCOMPARE(a.setNum(1.23), QString("1.23"));
    QCOMPARE(a.setNum(1.234567), QString("1.23457"));
#if defined(LONG_MAX) && defined(LLONG_MAX) && LONG_MAX == LLONG_MAX
    // LONG_MAX and LONG_MIN on 64 bit systems
    QCOMPARE(a.setNum(9223372036854775807L), QString("9223372036854775807"));
    QCOMPARE(a.setNum(-9223372036854775807L-1L), QString("-9223372036854775808"));
    QCOMPARE(a.setNum(18446744073709551615UL), QString("18446744073709551615"));
#endif
    QCOMPARE(a.setNum(Q_INT64_C(123)), QString("123"));
    // 2^40 == 1099511627776
    QCOMPARE(a.setNum(Q_INT64_C(-1099511627776)), QString("-1099511627776"));
    QCOMPARE(a.setNum(Q_UINT64_C(1099511627776)), QString("1099511627776"));
    QCOMPARE(a.setNum(Q_INT64_C(9223372036854775807)), // LLONG_MAX
            QString("9223372036854775807"));
    QCOMPARE(a.setNum(-Q_INT64_C(9223372036854775807) - Q_INT64_C(1)),
            QString("-9223372036854775808"));
    QCOMPARE(a.setNum(Q_UINT64_C(18446744073709551615)), // ULLONG_MAX
            QString("18446744073709551615"));
    QCOMPARE(a.setNum(0.000000000931322574615478515625),QString("9.31323e-10"));

//  QCOMPARE(a.setNum(0.000000000931322574615478515625,'g',30),(QString)"9.31322574615478515625e-010");
//  QCOMPARE(a.setNum(0.000000000931322574615478515625,'f',30),(QString)"0.00000000093132257461547852");
}

void tst_QString::startsWith()
{
    QString a;
    a = "AB";
    QVERIFY( a.startsWith("A") );
    QVERIFY( a.startsWith("AB") );
    QVERIFY( !a.startsWith("C") );
    QVERIFY( !a.startsWith("ABCDEF") );
    QVERIFY( a.startsWith("") );
    QVERIFY( a.startsWith(QString::null) );
    QVERIFY( a.startsWith('A') );
    QVERIFY( a.startsWith(QLatin1Char('A')) );
    QVERIFY( a.startsWith(QChar('A')) );
    QVERIFY( !a.startsWith('C') );
    QVERIFY( !a.startsWith(QChar()) );
    QVERIFY( !a.startsWith(QLatin1Char(0)) );

    QVERIFY( a.startsWith(QLatin1String("A")) );
    QVERIFY( a.startsWith(QLatin1String("AB")) );
    QVERIFY( !a.startsWith(QLatin1String("C")) );
    QVERIFY( !a.startsWith(QLatin1String("ABCDEF")) );
    QVERIFY( a.startsWith(QLatin1String("")) );
    QVERIFY( a.startsWith(QLatin1String(0)) );

    QVERIFY( a.startsWith("A", Qt::CaseSensitive) );
    QVERIFY( a.startsWith("A", Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith("a", Qt::CaseSensitive) );
    QVERIFY( a.startsWith("a", Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith("aB", Qt::CaseSensitive) );
    QVERIFY( a.startsWith("aB", Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith("C", Qt::CaseSensitive) );
    QVERIFY( !a.startsWith("C", Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith("c", Qt::CaseSensitive) );
    QVERIFY( !a.startsWith("c", Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith("abcdef", Qt::CaseInsensitive) );
    QVERIFY( a.startsWith("", Qt::CaseInsensitive) );
    QVERIFY( a.startsWith(QString::null, Qt::CaseInsensitive) );
    QVERIFY( a.startsWith('a', Qt::CaseInsensitive) );
    QVERIFY( a.startsWith('A', Qt::CaseInsensitive) );
    QVERIFY( a.startsWith(QLatin1Char('a'), Qt::CaseInsensitive) );
    QVERIFY( a.startsWith(QChar('a'), Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith('c', Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith(QChar(), Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith(QLatin1Char(0), Qt::CaseInsensitive) );

    QVERIFY( a.startsWith(QLatin1String("A"), Qt::CaseSensitive) );
    QVERIFY( a.startsWith(QLatin1String("A"), Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith(QLatin1String("a"), Qt::CaseSensitive) );
    QVERIFY( a.startsWith(QLatin1String("a"), Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith(QLatin1String("aB"), Qt::CaseSensitive) );
    QVERIFY( a.startsWith(QLatin1String("aB"), Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith(QLatin1String("C"), Qt::CaseSensitive) );
    QVERIFY( !a.startsWith(QLatin1String("C"), Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith(QLatin1String("c"), Qt::CaseSensitive) );
    QVERIFY( !a.startsWith(QLatin1String("c"), Qt::CaseInsensitive) );
    QVERIFY( !a.startsWith(QLatin1String("abcdef"), Qt::CaseInsensitive) );
    QVERIFY( a.startsWith(QLatin1String(""), Qt::CaseInsensitive) );
    QVERIFY( a.startsWith(QLatin1String(0), Qt::CaseInsensitive) );
    QVERIFY( a.startsWith('A', Qt::CaseSensitive) );
    QVERIFY( a.startsWith(QLatin1Char('A'), Qt::CaseSensitive) );
    QVERIFY( a.startsWith(QChar('A'), Qt::CaseSensitive) );
    QVERIFY( !a.startsWith('a', Qt::CaseSensitive) );
    QVERIFY( !a.startsWith(QChar(), Qt::CaseSensitive) );
    QVERIFY( !a.startsWith(QLatin1Char(0), Qt::CaseSensitive) );

#define TEST_REF_STARTS_WITH(string, yes) { CREATE_REF(string); QCOMPARE(a.startsWith(ref), yes); }

    TEST_REF_STARTS_WITH("A", true);
    TEST_REF_STARTS_WITH("AB", true);
    TEST_REF_STARTS_WITH("C", false);
    TEST_REF_STARTS_WITH("ABCDEF", false);
#undef TEST_REF_STARTS_WITH

    a = "";
    QVERIFY( a.startsWith("") );
    QVERIFY( a.startsWith(QString::null) );
    QVERIFY( !a.startsWith("ABC") );

    QVERIFY( a.startsWith(QLatin1String("")) );
    QVERIFY( a.startsWith(QLatin1String(0)) );
    QVERIFY( !a.startsWith(QLatin1String("ABC")) );

    QVERIFY( !a.startsWith(QLatin1Char(0)) );
    QVERIFY( !a.startsWith(QLatin1Char('x')) );
    QVERIFY( !a.startsWith(QChar()) );

    a = QString::null;
    QVERIFY( !a.startsWith("") );
    QVERIFY( a.startsWith(QString::null) );
    QVERIFY( !a.startsWith("ABC") );

    QVERIFY( !a.startsWith(QLatin1String("")) );
    QVERIFY( a.startsWith(QLatin1String(0)) );
    QVERIFY( !a.startsWith(QLatin1String("ABC")) );

    QVERIFY( !a.startsWith(QLatin1Char(0)) );
    QVERIFY( !a.startsWith(QLatin1Char('x')) );
    QVERIFY( !a.startsWith(QChar()) );

    // this test is independent of encoding
    a = "\xc3\xa9";
    QVERIFY( a.startsWith("\xc3\xa9") );
    QVERIFY( !a.startsWith("\xc3\xa1") );

    // this one is dependent of encoding
    QVERIFY( a.startsWith("\xc3\x89", Qt::CaseInsensitive) );
}

void tst_QString::endsWith()
{
    QString a;
    a = "AB";
    QVERIFY( a.endsWith("B") );
    QVERIFY( a.endsWith("AB") );
    QVERIFY( !a.endsWith("C") );
    QVERIFY( !a.endsWith("ABCDEF") );
    QVERIFY( a.endsWith("") );
    QVERIFY( a.endsWith(QString::null) );
    QVERIFY( a.endsWith('B') );
    QVERIFY( a.endsWith(QLatin1Char('B')) );
    QVERIFY( a.endsWith(QChar('B')) );
    QVERIFY( !a.endsWith('C') );
    QVERIFY( !a.endsWith(QChar()) );
    QVERIFY( !a.endsWith(QLatin1Char(0)) );

    QVERIFY( a.endsWith(QLatin1String("B")) );
    QVERIFY( a.endsWith(QLatin1String("AB")) );
    QVERIFY( !a.endsWith(QLatin1String("C")) );
    QVERIFY( !a.endsWith(QLatin1String("ABCDEF")) );
    QVERIFY( a.endsWith(QLatin1String("")) );
    QVERIFY( a.endsWith(QLatin1String(0)) );

    QVERIFY( a.endsWith("B", Qt::CaseSensitive) );
    QVERIFY( a.endsWith("B", Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith("b", Qt::CaseSensitive) );
    QVERIFY( a.endsWith("b", Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith("aB", Qt::CaseSensitive) );
    QVERIFY( a.endsWith("aB", Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith("C", Qt::CaseSensitive) );
    QVERIFY( !a.endsWith("C", Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith("c", Qt::CaseSensitive) );
    QVERIFY( !a.endsWith("c", Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith("abcdef", Qt::CaseInsensitive) );
    QVERIFY( a.endsWith("", Qt::CaseInsensitive) );
    QVERIFY( a.endsWith(QString::null, Qt::CaseInsensitive) );
    QVERIFY( a.endsWith('b', Qt::CaseInsensitive) );
    QVERIFY( a.endsWith('B', Qt::CaseInsensitive) );
    QVERIFY( a.endsWith(QLatin1Char('b'), Qt::CaseInsensitive) );
    QVERIFY( a.endsWith(QChar('b'), Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith('c', Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith(QChar(), Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith(QLatin1Char(0), Qt::CaseInsensitive) );

    QVERIFY( a.endsWith(QLatin1String("B"), Qt::CaseSensitive) );
    QVERIFY( a.endsWith(QLatin1String("B"), Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith(QLatin1String("b"), Qt::CaseSensitive) );
    QVERIFY( a.endsWith(QLatin1String("b"), Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith(QLatin1String("aB"), Qt::CaseSensitive) );
    QVERIFY( a.endsWith(QLatin1String("aB"), Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith(QLatin1String("C"), Qt::CaseSensitive) );
    QVERIFY( !a.endsWith(QLatin1String("C"), Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith(QLatin1String("c"), Qt::CaseSensitive) );
    QVERIFY( !a.endsWith(QLatin1String("c"), Qt::CaseInsensitive) );
    QVERIFY( !a.endsWith(QLatin1String("abcdef"), Qt::CaseInsensitive) );
    QVERIFY( a.endsWith(QLatin1String(""), Qt::CaseInsensitive) );
    QVERIFY( a.endsWith(QLatin1String(0), Qt::CaseInsensitive) );
    QVERIFY( a.endsWith('B', Qt::CaseSensitive) );
    QVERIFY( a.endsWith(QLatin1Char('B'), Qt::CaseSensitive) );
    QVERIFY( a.endsWith(QChar('B'), Qt::CaseSensitive) );
    QVERIFY( !a.endsWith('b', Qt::CaseSensitive) );
    QVERIFY( !a.endsWith(QChar(), Qt::CaseSensitive) );
    QVERIFY( !a.endsWith(QLatin1Char(0), Qt::CaseSensitive) );


#define TEST_REF_ENDS_WITH(string, yes) { CREATE_REF(string); QCOMPARE(a.endsWith(ref), yes); }
    TEST_REF_ENDS_WITH(QLatin1String("B"), true);
    TEST_REF_ENDS_WITH(QLatin1String("AB"), true);
    TEST_REF_ENDS_WITH(QLatin1String("C"), false);
    TEST_REF_ENDS_WITH(QLatin1String("ABCDEF"), false);
    TEST_REF_ENDS_WITH(QLatin1String(""), true);
    TEST_REF_ENDS_WITH(QLatin1String(0), true);

#undef TEST_REF_STARTS_WITH

    a = "";
    QVERIFY( a.endsWith("") );
    QVERIFY( a.endsWith(QString::null) );
    QVERIFY( !a.endsWith("ABC") );
    QVERIFY( !a.endsWith(QLatin1Char(0)) );
    QVERIFY( !a.endsWith(QLatin1Char('x')) );
    QVERIFY( !a.endsWith(QChar()) );

    QVERIFY( a.endsWith(QLatin1String("")) );
    QVERIFY( a.endsWith(QLatin1String(0)) );
    QVERIFY( !a.endsWith(QLatin1String("ABC")) );

    a = QString::null;
    QVERIFY( !a.endsWith("") );
    QVERIFY( a.endsWith(QString::null) );
    QVERIFY( !a.endsWith("ABC") );

    QVERIFY( !a.endsWith(QLatin1String("")) );
    QVERIFY( a.endsWith(QLatin1String(0)) );
    QVERIFY( !a.endsWith(QLatin1String("ABC")) );

    QVERIFY( !a.endsWith(QLatin1Char(0)) );
    QVERIFY( !a.endsWith(QLatin1Char('x')) );
    QVERIFY( !a.endsWith(QChar()) );

    // this test is independent of encoding
    a = "\xc3\xa9";
    QVERIFY( a.endsWith("\xc3\xa9") );
    QVERIFY( !a.endsWith("\xc3\xa1") );

    // this one is dependent of encoding
    QVERIFY( a.endsWith("\xc3\x89", Qt::CaseInsensitive) );
}

void tst_QString::check_QDataStream()
{
    QString a;
    QByteArray ar;
    {
        QDataStream out(&ar,QIODevice::WriteOnly);
        out << QString("COMPARE Text");
    }
    {
        QDataStream in(&ar,QIODevice::ReadOnly);
        in >> a;
        QCOMPARE(a,(QString)"COMPARE Text");
    }
}

void tst_QString::check_QTextStream()
{
    QString a;
    QByteArray ar;
    {
        QTextStream out(&ar,QIODevice::WriteOnly);
        out << QString("This is COMPARE Text");
    }
    {
        QTextStream in(&ar,QIODevice::ReadOnly);
        in >> a;
        QCOMPARE(a,(QString)"This");
    }
}

void tst_QString::check_QTextIOStream()
{
    QString a;
    {
        a="";
        QTextStream ts(&a);
        ts << "pi \261= " << 3.125;
        QCOMPARE(a, QString::fromLatin1("pi \261= 3.125"));
    }
    {
        a="123 456";
        int x,y;
        QTextStream(&a) >> x >> y;
        QCOMPARE(x,123);
        QCOMPARE(y,456);
    }
}

void tst_QString::fromRawData()
{
    const QChar ptr[] = { 0x1234, 0x0000 };
    QString cstr = QString::fromRawData(ptr, 1);
    QVERIFY(cstr.isDetached());
    QVERIFY(cstr.constData() == ptr);
    QVERIFY(cstr == QString(ptr, 1));
    cstr.squeeze();
    QVERIFY(cstr.constData() == ptr);
    cstr.detach();
    QVERIFY(cstr.size() == 1);
    QVERIFY(cstr.capacity() == 1);
    QVERIFY(cstr.constData() != ptr);
    QVERIFY(cstr.constData()[0] == QChar(0x1234));
    QVERIFY(cstr.constData()[1] == QChar(0x0000));
}

void tst_QString::setRawData()
{
    const QChar ptr[] = { 0x1234, 0x0000 };
    const QChar ptr2[] = { 0x4321, 0x0000 };
    QString cstr;

    // This just tests the fromRawData() fallback
    QVERIFY(!cstr.isDetached());
    cstr.setRawData(ptr, 1);
    QVERIFY(cstr.isDetached());
    QVERIFY(cstr.constData() == ptr);
    QVERIFY(cstr == QString(ptr, 1));

    // This actually tests the recycling of the shared data object
    QString::DataPtr csd = cstr.data_ptr();
    cstr.setRawData(ptr2, 1);
    QVERIFY(cstr.isDetached());
    QVERIFY(cstr.constData() == ptr2);
    QVERIFY(cstr == QString(ptr2, 1));
    QVERIFY(cstr.data_ptr() == csd);

    // This tests the discarding of the shared data object
    cstr = "foo";
    QVERIFY(cstr.isDetached());
    QVERIFY(cstr.constData() != ptr2);

    // Another test of the fallback
    csd = cstr.data_ptr();
    cstr.setRawData(ptr2, 1);
    QVERIFY(cstr.isDetached());
    QVERIFY(cstr.constData() == ptr2);
    QVERIFY(cstr == QString(ptr2, 1));
    QVERIFY(cstr.data_ptr() != csd);
}

#ifndef Q_CC_HPACC
// This test crashes on HP-UX with aCC (not supported)
void tst_QString::fromStdString()
{
    std::string stroustrup = "foo";
    QString eng = QString::fromStdString( stroustrup );
    QCOMPARE( eng, QString("foo") );
    const char cnull[] = "Embedded\0null\0character!";
    std::string stdnull( cnull, sizeof(cnull)-1 );
    QString qtnull = QString::fromStdString( stdnull );
    QCOMPARE( qtnull.size(), int(stdnull.size()) );
}
#endif

#ifndef Q_CC_HPACC
// This test crashes on HP-UX with aCC (not supported)
void tst_QString::toStdString()
{
    QString nord = "foo";
    std::string stroustrup1 = nord.toStdString();
    QVERIFY( qstrcmp(stroustrup1.c_str(), "foo") == 0 );
    // For now, most QString constructors are also broken with respect
    // to embedded null characters, had to find one that works...
    const QChar qcnull[] = {
        'E', 'm', 'b', 'e', 'd', 'd', 'e', 'd', '\0',
        'n', 'u', 'l', 'l', '\0',
        'c', 'h', 'a', 'r', 'a', 'c', 't', 'e', 'r', '!'
    };
    QString qtnull( qcnull, sizeof(qcnull)/sizeof(QChar) );
    std::string stdnull = qtnull.toStdString();
    QCOMPARE( int(stdnull.size()), qtnull.size() );
}
#endif

void tst_QString::utf8()
{
    QFETCH( QByteArray, utf8 );
    QFETCH( QString, res );

    QCOMPARE(res.toUtf8(), utf8);
}

void tst_QString::stringRef_utf8_data()
{
    utf8_data();
}

void tst_QString::stringRef_utf8()
{
    QFETCH( QByteArray, utf8 );
    QFETCH( QString, res );

    QStringRef ref(&res, 0, res.length());
    QCOMPARE( utf8, QByteArray(ref.toUtf8()) );
}

// copied to tst_QTextCodec::utf8Codec_data()
void tst_QString::fromUtf8_data()
{
    QTest::addColumn<QByteArray>("utf8");
    QTest::addColumn<QString>("res");
    QTest::addColumn<int>("len");
    QString str;

    QTest::newRow("str0") << QByteArray("abcdefgh") << QString("abcdefgh") << -1;
    QTest::newRow("str0-len") << QByteArray("abcdefgh") << QString("abc") << 3;
    QTest::newRow("str1") << QByteArray("\303\266\303\244\303\274\303\226\303\204\303\234\303\270\303\246\303\245\303\230\303\206\303\205")
                          << QString::fromLatin1("\366\344\374\326\304\334\370\346\345\330\306\305") << -1;
    QTest::newRow("str1-len") << QByteArray("\303\266\303\244\303\274\303\226\303\204\303\234\303\270\303\246\303\245\303\230\303\206\303\205")
                              << QString::fromLatin1("\366\344\374\326\304") << 10;

    str += QChar(0x05e9);
    str += QChar(0x05d3);
    str += QChar(0x05d2);
    QTest::newRow("str2") << QByteArray("\327\251\327\223\327\222") << str << -1;

    str = QChar(0x05e9);
    QTest::newRow("str2-len") << QByteArray("\327\251\327\223\327\222") << str << 2;

    str = QChar(0x20ac);
    str += " some text";
    QTest::newRow("str3") << QByteArray("\342\202\254 some text") << str << -1;

    str = QChar(0x20ac);
    str += " some ";
    QTest::newRow("str3-len") << QByteArray("\342\202\254 some text") << str << 9;

    str = "hello";
    str += QChar::ReplacementCharacter;
    str += QChar(0x68);
    str += QChar::ReplacementCharacter;
    str += QChar::ReplacementCharacter;
    str += QChar::ReplacementCharacter;
    str += QChar::ReplacementCharacter;
    str += QChar(0x61);
    str += QChar::ReplacementCharacter;
    QTest::newRow("invalid utf8") << QByteArray("hello\344h\344\344\366\344a\304") << str << -1;
    QTest::newRow("invalid utf8-len") << QByteArray("hello\344h\344\344\366\344a\304") << QString("hello") << 5;

    str = "Prohl";
    str += QChar::ReplacementCharacter;
    str += QChar::ReplacementCharacter;
    str += "e";
    str += QChar::ReplacementCharacter;
    str += " plugin";
    str += QChar::ReplacementCharacter;
    str += " Netscape";

    QTest::newRow("invalid utf8 2") << QByteArray("Prohl\355\276e\350 plugin\371 Netscape") << str << -1;
    QTest::newRow("invalid utf8-len 2") << QByteArray("Prohl\355\276e\350 plugin\371 Netscape") << QString("") << 0;

    QTest::newRow("null-1") << QByteArray() << QString() << -1;
    QTest::newRow("null0") << QByteArray() << QString() << 0;
    QTest::newRow("null5") << QByteArray() << QString() << 5;
    QTest::newRow("empty-1") << QByteArray("\0abcd", 5) << QString() << -1;
    QTest::newRow("empty0") << QByteArray() << QString() << 0;
    QTest::newRow("empty5") << QByteArray("\0abcd", 5) << QString::fromLatin1("\0abcd", 5) << 5;
    QTest::newRow("other-1") << QByteArray("ab\0cd", 5) << QString::fromLatin1("ab") << -1;
    QTest::newRow("other5") << QByteArray("ab\0cd", 5) << QString::fromLatin1("ab\0cd", 5) << 5;

    str = "Old Italic: ";
    str += QChar(0xd800);
    str += QChar(0xdf00);
    str += QChar(0xd800);
    str += QChar(0xdf01);
    str += QChar(0xd800);
    str += QChar(0xdf02);
    str += QChar(0xd800);
    str += QChar(0xdf03);
    str += QChar(0xd800);
    str += QChar(0xdf04);
    QTest::newRow("surrogate") << QByteArray("Old Italic: \360\220\214\200\360\220\214\201\360\220\214\202\360\220\214\203\360\220\214\204") << str << -1;

    QTest::newRow("surrogate-len") << QByteArray("Old Italic: \360\220\214\200\360\220\214\201\360\220\214\202\360\220\214\203\360\220\214\204") << str.left(16) << 20;

}

void tst_QString::fromUtf8()
{
    QFETCH(QByteArray, utf8);
    QFETCH(QString, res);
    QFETCH(int, len);

    QCOMPARE(QString::fromUtf8(utf8.isNull() ? 0 : utf8.data(), len), res);
}

void tst_QString::nullFromUtf8()
{
    QString a;
    a = QString::fromUtf8(0);
    QVERIFY(a.isNull());
    QVERIFY(a.isEmpty());
    a = QString::fromUtf8("");
    QVERIFY(!a.isNull());
    QVERIFY(a.isEmpty());
}

void tst_QString::fromLocal8Bit_data()
{
    QTest::addColumn<QByteArray>("local8Bit");
    QTest::addColumn<int>("len");
    QTest::addColumn<QString>("result");

    //QTest::newRow("nullString") << QByteArray() << -1 << QString();
    //QTest::newRow("emptyString") << QByteArray("") << -1 << QString("");
    //QTest::newRow("string") << QByteArray("test") << -1 << QString("test");
    //QTest::newRow("stringlen0") << QByteArray("test") << 0 << QString("");
    //QTest::newRow("stringlen3") << QByteArray("test") << 3 << QString("tes");
    QTest::newRow("stringlen99") << QByteArray("test\0foo", 8) << 8 << QString::fromLatin1("test\0foo", 8);

    QByteArray longQByteArray;
    QString longQString;

    for (int l=0;l<111;l++) {
        longQByteArray = longQByteArray + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
        longQString += "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
    }

    //QTest::newRow("longString") << longQByteArray << -1 << longQString;
    //QTest::newRow("longStringlen0") << longQByteArray << 0 << QString("");
    //QTest::newRow("longStringlen3") << longQByteArray << 3 << QString("aaa");
    //QTest::newRow("someNonAlphaChars") << QByteArray("d:/this/is/a/test.h") << -1 << QString("d:/this/is/a/test.h");

    //QTest::newRow("null-1") << QByteArray() << -1 << QString();
    //QTest::newRow("null0") << QByteArray() << 0 << QString();
    //QTest::newRow("null5") << QByteArray() << 5 << QString();
    //QTest::newRow("empty-1") << QByteArray("\0abcd", 5) << -1 << QString();
    //QTest::newRow("empty0") << QByteArray() << 0 << QString();
    //QTest::newRow("empty5") << QByteArray("\0abcd", 5) << 5 << QString::fromAscii("\0abcd", 5);
    //QTest::newRow("other-1") << QByteArray("ab\0cd", 5) << -1 << QString::fromAscii("ab");
    //QTest::newRow("other5") << QByteArray("ab\0cd", 5) << 5 << QString::fromAscii("ab\0cd", 5);
}

void tst_QString::fromLocal8Bit()
{
    QFETCH(QByteArray, local8Bit);
    QFETCH(int, len);
    QFETCH(QString, result);

    QCOMPARE(QString::fromLocal8Bit(local8Bit.isNull() ? 0 : local8Bit.data(), len).length(),
            result.length());
    QCOMPARE(QString::fromLocal8Bit(local8Bit.isNull() ? 0 : local8Bit.data(), len), result);
}

void tst_QString::local8Bit_data()
{
    QTest::addColumn<QString>("local8Bit");
    QTest::addColumn<QByteArray>("result");

/*
    QString::local8Bit() called on a null QString returns an _empty_
    QByteArray.
*/
    QTest::newRow("nullString") << QString() << QByteArray("");
    QTest::newRow("emptyString") << QString("") << QByteArray("");
    QTest::newRow("string") << QString("test") << QByteArray("test");

    QByteArray longQByteArray;
    QString longQString;

    for (int l=0;l<111;l++) {
        longQByteArray = longQByteArray + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
        longQString += "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
    }

    QTest::newRow("longString") << longQString << longQByteArray;
    QTest::newRow("someNonAlphaChars") << QString("d:/this/is/a/test.h") << QByteArray("d:/this/is/a/test.h");
}

void tst_QString::local8Bit()
{
    QFETCH(QString, local8Bit);
    QFETCH(QByteArray, result);

    QCOMPARE(local8Bit.toLocal8Bit(), QByteArray(result));
}

void tst_QString::stringRef_local8Bit_data()
{
    local8Bit_data();
}

void tst_QString::stringRef_local8Bit()
{
    QFETCH(QString, local8Bit);
    QFETCH(QByteArray, result);

    QStringRef ref(&local8Bit, 0, local8Bit.length());
    QCOMPARE(ref.toLocal8Bit(), QByteArray(result));
}

void tst_QString::fromLatin1Roundtrip_data()
{
    QTest::addColumn<QByteArray>("latin1");
    QTest::addColumn<QString>("unicode");

    QTest::newRow("null") << QByteArray() << QString();
    QTest::newRow("empty") << QByteArray("") << "";

    static const ushort unicode1[] = { 'H', 'e', 'l', 'l', 'o', 1, '\r', '\n', 0x7f };
    QTest::newRow("ascii-only") << QByteArray("Hello") << QString::fromUtf16(unicode1, 5);
    QTest::newRow("ascii+control") << QByteArray("Hello\1\r\n\x7f") << QString::fromUtf16(unicode1, 9);

    static const ushort unicode3[] = { 'a', 0, 'z' };
    QTest::newRow("ascii+nul") << QByteArray("a\0z", 3) << QString::fromUtf16(unicode3, 3);

    static const ushort unicode4[] = { 0x80, 0xc0, 0xff };
    QTest::newRow("non-ascii") << QByteArray("\x80\xc0\xff") << QString::fromUtf16(unicode4, 3);
}

void tst_QString::fromLatin1Roundtrip()
{
    QFETCH(QByteArray, latin1);
    QFETCH(QString, unicode);

    // Qt Test safety check:
    QCOMPARE(latin1.isNull(), unicode.isNull());
    QCOMPARE(latin1.isEmpty(), unicode.isEmpty());
    QCOMPARE(latin1.length(), unicode.length());

    if (!latin1.isEmpty())
        while (latin1.length() < 128) {
            latin1 += latin1;
            unicode += unicode;
        }

    // fromLatin1
    QCOMPARE(QString::fromLatin1(latin1, latin1.length()).length(), unicode.length());
    QCOMPARE(QString::fromLatin1(latin1, latin1.length()), unicode);

    // and back:
    QCOMPARE(unicode.toLatin1().length(), latin1.length());
    QCOMPARE(unicode.toLatin1(), latin1);
}

void tst_QString::toLatin1Roundtrip_data()
{
    QTest::addColumn<QByteArray>("latin1");
    QTest::addColumn<QString>("unicodesrc");
    QTest::addColumn<QString>("unicodedst");

    QTest::newRow("null") << QByteArray() << QString() << QString();
    QTest::newRow("empty") << QByteArray("") << "" << "";

    static const ushort unicode1[] = { 'H', 'e', 'l', 'l', 'o', 1, '\r', '\n', 0x7f };
    QTest::newRow("ascii-only") << QByteArray("Hello") << QString::fromUtf16(unicode1, 5) << QString::fromUtf16(unicode1, 5);
    QTest::newRow("ascii+control") << QByteArray("Hello\1\r\n\x7f") << QString::fromUtf16(unicode1, 9)  << QString::fromUtf16(unicode1, 9);

    static const ushort unicode3[] = { 'a', 0, 'z' };
    QTest::newRow("ascii+nul") << QByteArray("a\0z", 3) << QString::fromUtf16(unicode3, 3) << QString::fromUtf16(unicode3, 3);

    static const ushort unicode4[] = { 0x80, 0xc0, 0xff };
    QTest::newRow("non-ascii") << QByteArray("\x80\xc0\xff") << QString::fromUtf16(unicode4, 3) << QString::fromUtf16(unicode4, 3);

    static const ushort unicodeq[] = { '?', '?', '?', '?', '?' };
    const QString questionmarks = QString::fromUtf16(unicodeq, 5);

    static const ushort unicode5[] = { 0x100, 0x101, 0x17f, 0x7f00, 0x7f7f };
    QTest::newRow("non-latin1a") << QByteArray("?????") << QString::fromUtf16(unicode5, 5) << questionmarks;

    static const ushort unicode6[] = { 0x180, 0x1ff, 0x8001, 0x8080, 0xfffc };
    QTest::newRow("non-latin1b") << QByteArray("?????") << QString::fromUtf16(unicode6, 5) << questionmarks;
}

void tst_QString::toLatin1Roundtrip()
{
    QFETCH(QByteArray, latin1);
    QFETCH(QString, unicodesrc);
    QFETCH(QString, unicodedst);

    // Qt Test safety check:
    QCOMPARE(latin1.isNull(), unicodesrc.isNull());
    QCOMPARE(latin1.isEmpty(), unicodesrc.isEmpty());
    QCOMPARE(latin1.length(), unicodesrc.length());
    QCOMPARE(latin1.isNull(), unicodedst.isNull());
    QCOMPARE(latin1.isEmpty(), unicodedst.isEmpty());
    QCOMPARE(latin1.length(), unicodedst.length());

    if (!latin1.isEmpty())
        while (latin1.length() < 128) {
            latin1 += latin1;
            unicodesrc += unicodesrc;
            unicodedst += unicodedst;
        }

    // toLatin1
    QCOMPARE(unicodesrc.toLatin1().length(), latin1.length());
    QCOMPARE(unicodesrc.toLatin1(), latin1);

    // and back:
    QCOMPARE(QString::fromLatin1(latin1, latin1.length()).length(), unicodedst.length());
    QCOMPARE(QString::fromLatin1(latin1, latin1.length()), unicodedst);
}

void tst_QString::stringRef_toLatin1Roundtrip_data()
{
    toLatin1Roundtrip_data();
}

void tst_QString::stringRef_toLatin1Roundtrip()
{
    QFETCH(QByteArray, latin1);
    QFETCH(QString, unicodesrc);
    QFETCH(QString, unicodedst);

    // Qt Test safety check:
    QCOMPARE(latin1.isNull(), unicodesrc.isNull());
    QCOMPARE(latin1.isEmpty(), unicodesrc.isEmpty());
    QCOMPARE(latin1.length(), unicodesrc.length());
    QCOMPARE(latin1.isNull(), unicodedst.isNull());
    QCOMPARE(latin1.isEmpty(), unicodedst.isEmpty());
    QCOMPARE(latin1.length(), unicodedst.length());

    if (!latin1.isEmpty())
        while (latin1.length() < 128) {
            latin1 += latin1;
            unicodesrc += unicodesrc;
            unicodedst += unicodedst;
        }

    // toLatin1
    QStringRef src(&unicodesrc, 0, unicodesrc.length());
    QCOMPARE(src.toLatin1().length(), latin1.length());
    QCOMPARE(src.toLatin1(), latin1);
}

void tst_QString::fromLatin1()
{
    QString a;
    a = QString::fromLatin1( 0 );
    QVERIFY( a.isNull() );
    QVERIFY( a.isEmpty() );
    a = QString::fromLatin1( "" );
    QVERIFY( !a.isNull() );
    QVERIFY( a.isEmpty() );

    a = QString::fromLatin1(0, 0);
    QVERIFY(a.isNull());
    a = QString::fromLatin1(0, 5);
    QVERIFY(a.isNull());
    a = QString::fromLatin1("\0abcd", 0);
    QVERIFY(!a.isNull());
    QVERIFY(a.isEmpty());
    a = QString::fromLatin1("\0abcd", 5);
    QVERIFY(a.size() == 5);
}

void tst_QString::fromAscii()
{
    QString a;
    a = QString::fromAscii( 0 );
    QVERIFY( a.isNull() );
    QVERIFY( a.isEmpty() );
    a = QString::fromAscii( "" );
    QVERIFY( !a.isNull() );
    QVERIFY( a.isEmpty() );

    a = QString::fromAscii(0, 0);
    QVERIFY(a.isNull());
    a = QString::fromAscii(0, 5);
    QVERIFY(a.isNull());
    a = QString::fromAscii("\0abcd", 0);
    QVERIFY(!a.isNull());
    QVERIFY(a.isEmpty());
    a = QString::fromAscii("\0abcd", 5);
    QVERIFY(a.size() == 5);
}

void tst_QString::arg()
{
/*
    Warning: If any of these test fails, the warning given by Qt Test
    is all messed up, because Qt Test itself uses QString::arg().
*/

    QLocale::setDefault(QString("de_DE"));

    QString s4( "[%0]" );
    QString s5( "[%1]" );
    QString s6( "[%3]" );
    QString s7( "[%9]" );
    QString s8( "[%0 %1]" );
    QString s9( "[%0 %3]" );
    QString s10( "[%1 %2 %3]" );
    QString s11( "[%9 %3 %0]" );
    QString s12( "[%9 %1 %3 %9 %0 %8]" );
    QString s13( "%1% %x%c%2 %d%2-%" );
    QString s14( "%1%2%3" );

    QCOMPARE( s4.arg("foo"), QString("[foo]") );
    QCOMPARE( s5.arg("foo"), QString("[foo]") );
    QCOMPARE( s6.arg("foo"), QString("[foo]") );
    QCOMPARE( s7.arg("foo"), QString("[foo]") );
    QCOMPARE( s8.arg("foo"), QString("[foo %1]") );
    QCOMPARE( s8.arg("foo").arg("bar"), QString("[foo bar]") );
    QCOMPARE( s8.arg("foo", "bar"), QString("[foo bar]") );
    QCOMPARE( s9.arg("foo"), QString("[foo %3]") );
    QCOMPARE( s9.arg("foo").arg("bar"), QString("[foo bar]") );
    QCOMPARE( s9.arg("foo", "bar"), QString("[foo bar]") );
    QCOMPARE( s10.arg("foo"), QString("[foo %2 %3]") );
    QCOMPARE( s10.arg("foo").arg("bar"), QString("[foo bar %3]") );
    QCOMPARE( s10.arg("foo", "bar"), QString("[foo bar %3]") );
    QCOMPARE( s10.arg("foo").arg("bar").arg("baz"), QString("[foo bar baz]") );
    QCOMPARE( s10.arg("foo", "bar", "baz"), QString("[foo bar baz]") );
    QCOMPARE( s11.arg("foo"), QString("[%9 %3 foo]") );
    QCOMPARE( s11.arg("foo").arg("bar"), QString("[%9 bar foo]") );
    QCOMPARE( s11.arg("foo", "bar"), QString("[%9 bar foo]") );
    QCOMPARE( s11.arg("foo").arg("bar").arg("baz"), QString("[baz bar foo]") );
    QCOMPARE( s11.arg("foo", "bar", "baz"), QString("[baz bar foo]") );
    QCOMPARE( s12.arg("a").arg("b").arg("c").arg("d").arg("e"),
             QString("[e b c e a d]") );
    QCOMPARE( s12.arg("a", "b", "c", "d").arg("e"), QString("[e b c e a d]") );
    QCOMPARE( s12.arg("a").arg("b", "c", "d", "e"), QString("[e b c e a d]") );
    QCOMPARE( s13.arg("alpha").arg("beta"),
             QString("alpha% %x%cbeta %dbeta-%") );
    QCOMPARE( s13.arg("alpha", "beta"), QString("alpha% %x%cbeta %dbeta-%") );
    QCOMPARE( s14.arg("a", "b", "c"), QString("abc") );
    QCOMPARE( s8.arg("%1").arg("foo"), QString("[foo foo]") );
    QCOMPARE( s8.arg("%1", "foo"), QString("[%1 foo]") );
    QCOMPARE( s4.arg("foo", 2), QString("[foo]") );
    QCOMPARE( s4.arg("foo", -2), QString("[foo]") );
    QCOMPARE( s4.arg("foo", 10), QString("[       foo]") );
    QCOMPARE( s4.arg("foo", -10), QString("[foo       ]") );

    QString firstName( "James" );
    QString lastName( "Bond" );
    QString fullName = QString( "My name is %2, %1 %2" )
                       .arg( firstName ).arg( lastName );
    QCOMPARE( fullName, QString("My name is Bond, James Bond") );

    // number overloads
    QCOMPARE( s4.arg(0), QString("[0]") );
    QCOMPARE( s4.arg(-1), QString("[-1]") );
    QCOMPARE( s4.arg(4294967295UL), QString("[4294967295]") ); // ULONG_MAX 32
    QCOMPARE( s4.arg(Q_INT64_C(9223372036854775807)), // LLONG_MAX
             QString("[9223372036854775807]") );

    QCOMPARE( QString().arg(0), QString() );
    QCOMPARE( QString("").arg(0), QString("") );
    QCOMPARE( QString(" ").arg(0), QString(" ") );
    QCOMPARE( QString("%").arg(0), QString("%") );
    QCOMPARE( QString("%%").arg(0), QString("%%") );
    QCOMPARE( QString("%%%").arg(0), QString("%%%") );
    QCOMPARE( QString("%%%1%%%2").arg("foo").arg("bar"), QString("%%foo%%bar") );

    QCOMPARE( QString("%1").arg("hello", -10), QString("hello     ") );
    QCOMPARE( QString("%1").arg("hello", -5), QString("hello") );
    QCOMPARE( QString("%1").arg("hello", -2), QString("hello") );
    QCOMPARE( QString("%1").arg("hello", 0), QString("hello") );
    QCOMPARE( QString("%1").arg("hello", 2), QString("hello") );
    QCOMPARE( QString("%1").arg("hello", 5), QString("hello") );
    QCOMPARE( QString("%1").arg("hello", 10), QString("     hello") );
    QCOMPARE( QString("%1%1").arg("hello"), QString("hellohello") );
    QCOMPARE( QString("%2%1").arg("hello"), QString("%2hello") );
    QCOMPARE( QString("%1%1").arg(QString::null), QString("") );
    QCOMPARE( QString("%2%1").arg(""), QString("%2") );

    QCOMPARE( QString("%2 %L1").arg(12345.6789).arg(12345.6789),
             QString("12345.7 12.345,7") );
    QCOMPARE( QString("%2 %L1").arg(123456789).arg(123456789),
             QString("123456789 123.456.789") );
    QCOMPARE( QString("%L2 %L1 %3").arg(12345.7).arg(123456789).arg('c'),
             QString("123.456.789 12.345,7 c") );

    // multi-digit replacement
    QString input("%%%L0 %1 %02 %3 %4 %5 %L6 %7 %8 %%% %090 %10 %11 %L12 %14 %L9888 %9999 %%%%%%%L");
    input = input.arg("A").arg("B").arg("C")
                 .arg("D").arg("E").arg("f")
                 .arg("g").arg("h").arg("i").arg("j")
                 .arg("k").arg("l").arg("m")
                 .arg("n").arg("o").arg("p");

    QCOMPARE(input, QString("%%A B C D E f g h i %%% j0 k l m n o88 p99 %%%%%%%L"));

    QString str("%1 %2 %3 %4 %5 %6 %7 %8 %9 foo %10 %11 bar");
    str = str.arg("one", "2", "3", "4", "5", "6", "7", "8", "9");
    str = str.arg("ahoy", "there");
    QCOMPARE(str, QString("one 2 3 4 5 6 7 8 9 foo ahoy there bar"));

    QString str2("%123 %234 %345 %456 %567 %999 %1000 %1230");
    str2 = str2.arg("A", "B", "C", "D", "E", "F");
    QCOMPARE(str2, QString("A B C D E F %1000 %1230"));

    QCOMPARE(QString("%1").arg(-1, 3, 10, QChar('0')), QString("-01"));
    QCOMPARE(QString("%1").arg(-100, 3, 10, QChar('0')), QString("-100"));
    QCOMPARE(QString("%1").arg(-1, 3, 10, QChar(' ')), QString(" -1"));
    QCOMPARE(QString("%1").arg(-100, 3, 10, QChar(' ')), QString("-100"));
    QCOMPARE(QString("%1").arg(1U, 3, 10, QChar(' ')), QString("  1"));
    QCOMPARE(QString("%1").arg(1000U, 3, 10, QChar(' ')), QString("1000"));
    QCOMPARE(QString("%1").arg(-1, 3, 10, QChar('x')), QString("x-1"));
    QCOMPARE(QString("%1").arg(-100, 3, 10, QChar('x')), QString("-100"));
    QCOMPARE(QString("%1").arg(1U, 3, 10, QChar('x')), QString("xx1"));
    QCOMPARE(QString("%1").arg(1000U, 3, 10, QChar('x')), QString("1000"));

    QCOMPARE(QString("%1").arg(-1., 3, 'g', -1, QChar('0')), QString("-01"));
    QCOMPARE(QString("%1").arg(-100., 3, 'g', -1, QChar('0')), QString("-100"));
    QCOMPARE(QString("%1").arg(-1., 3, 'g', -1, QChar(' ')), QString(" -1"));
    QCOMPARE(QString("%1").arg(-100., 3, 'g', -1, QChar(' ')), QString("-100"));
    QCOMPARE(QString("%1").arg(1., 3, 'g', -1, QChar('x')), QString("xx1"));
    QCOMPARE(QString("%1").arg(1000., 3, 'g', -1, QChar('x')), QString("1000"));
    QCOMPARE(QString("%1").arg(-1., 3, 'g', -1, QChar('x')), QString("x-1"));
    QCOMPARE(QString("%1").arg(-100., 3, 'g', -1, QChar('x')), QString("-100"));
}

void tst_QString::number()
{
    QCOMPARE( QString::number(int(0)), QString("0") );
    QCOMPARE( QString::number((unsigned int)(11)), QString("11") );
    QCOMPARE( QString::number(-22L), QString("-22") );
    QCOMPARE( QString::number(333UL), QString("333") );
    QCOMPARE( QString::number(4.4), QString("4.4") );
    QCOMPARE( QString::number(Q_INT64_C(-555)), QString("-555") );
    QCOMPARE( QString::number(Q_UINT64_C(6666)), QString("6666") );
}

void tst_QString::capacity_data()
{
    length_data();
}

void tst_QString::capacity()
{
    QFETCH( QString, s1 );
    QFETCH( int, res );

    QString s2( s1 );
    s2.reserve( res );
    QVERIFY( (int)s2.capacity() >= res );
    QCOMPARE( s2, s1 );

    s2.reserve( res * 2 );
    QVERIFY( (int)s2.capacity() >=  res * 2 );
    QCOMPARE( s2, s1 );

    s2.squeeze();
    QVERIFY( (int)s2.capacity() == res );
    QCOMPARE( s2, s1 );

}

void tst_QString::section_data()
{
    QTest::addColumn<QString>("wholeString" );
    QTest::addColumn<QString>("sep" );
    QTest::addColumn<int>("start" );
    QTest::addColumn<int>("end" );
    QTest::addColumn<int>("flags" );
    QTest::addColumn<QString>("sectionString" );
    QTest::addColumn<bool>("regexp" );

    QTest::newRow( "data0" ) << QString("forename,middlename,surname,phone") << QString(",") << 2 << 2 << int(QString::SectionDefault) << QString("surname") << false;
    QTest::newRow( "data1" ) << QString("/usr/local/bin/myapp") << QString("/") << 3 << 4 << int(QString::SectionDefault) << QString("bin/myapp") << false;
    QTest::newRow( "data2" ) << QString("/usr/local/bin/myapp") << QString("/") << 3 << 3 << int(QString::SectionSkipEmpty) << QString("myapp") << false;
    QTest::newRow( "data3" ) << QString("forename**middlename**surname**phone") << QString("**") << 2 << 2 << int(QString::SectionDefault) << QString("surname") << false;
    QTest::newRow( "data4" ) << QString("forename**middlename**surname**phone") << QString("**") << -3 << -2 << int(QString::SectionDefault) << QString("middlename**surname") << false;
    QTest::newRow( "data5" ) << QString("##Datt######wollen######wir######mal######sehen##") << QString("#") << 0 << 0 << int(QString::SectionSkipEmpty) << QString("Datt") << false;
    QTest::newRow( "data6" ) << QString("##Datt######wollen######wir######mal######sehen##") << QString("#") << 1 << 1 << int(QString::SectionSkipEmpty) << QString("wollen") << false;
    QTest::newRow( "data7" ) << QString("##Datt######wollen######wir######mal######sehen##") << QString("#") << 2 << 2 << int(QString::SectionSkipEmpty) << QString("wir") << false;
    QTest::newRow( "data8" ) << QString("##Datt######wollen######wir######mal######sehen##") << QString("#") << 3 << 3 << int(QString::SectionSkipEmpty) << QString("mal") << false;
    QTest::newRow( "data9" ) << QString("##Datt######wollen######wir######mal######sehen##") << QString("#") << 4 << 4 << int(QString::SectionSkipEmpty) << QString("sehen") << false;
    // not fixed for 3.1
    QTest::newRow( "data10" ) << QString("a/b/c/d") << QString("/") << 1 << -1 << int(QString::SectionIncludeLeadingSep | QString::SectionIncludeTrailingSep) << QString("/b/c/d") << false;
    QTest::newRow( "data11" ) << QString("aoLoboLocolod") << QString("olo") << -1 << -1 << int(QString::SectionCaseInsensitiveSeps) << QString("d") << false;
    QTest::newRow( "data12" ) << QString("F0") << QString("F") << 0 << 0 << int(QString::SectionSkipEmpty) << QString("0") << false;
    QTest::newRow( "foo1" ) << QString("foo;foo;") << QString(";") << 0 << 0
                         << int(QString::SectionIncludeLeadingSep) << QString("foo") << false;
    QTest::newRow( "foo2" ) << QString("foo;foo;") << QString(";") << 1 << 1
                         << int(QString::SectionIncludeLeadingSep) << QString(";foo") << false;
    QTest::newRow( "foo3" ) << QString("foo;foo;") << QString(";") << 2 << 2
                         << int(QString::SectionIncludeLeadingSep) << QString(";") << false;
    QTest::newRow( "foo1rx" ) << QString("foo;foo;") << QString(";") << 0 << 0
                           << int(QString::SectionIncludeLeadingSep) << QString("foo") << true;
    QTest::newRow( "foo2rx" ) << QString("foo;foo;") << QString(";") << 1 << 1
                           << int(QString::SectionIncludeLeadingSep) << QString(";foo") << true;
    QTest::newRow( "foo3rx" ) << QString("foo;foo;") << QString(";") << 2 << 2
                           << int(QString::SectionIncludeLeadingSep) << QString(";") << true;

    QTest::newRow( "qmake_path" ) << QString("/Users/sam/troll/qt4.0/src/corelib/QtCore_debug.xcode/")
                               << QString("/") << 0 << -2 << int(QString::SectionDefault)
                               << QString("/Users/sam/troll/qt4.0/src/corelib/QtCore_debug.xcode") << false;
    QTest::newRow( "qmake_pathrx" ) << QString("/Users/sam/troll/qt4.0/src/corelib/QtCore_debug.xcode/")
                                 << QString("/") << 0 << -2 << int(QString::SectionDefault)
                                 << QString("/Users/sam/troll/qt4.0/src/corelib/QtCore_debug.xcode") << true;
    QTest::newRow( "data13" ) << QString("||2|3|||")
                              << QString("|") << 0 << 1 << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                              << QString("||") << false;
    QTest::newRow( "data14" ) << QString("||2|3|||")
                                << QString("\\|") << 0 << 1 << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                                << QString("||") << true;
    QTest::newRow( "data15" ) << QString("|1|2|")
                                << QString("|") << 0 << 1 << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                                << QString("|1|") << false;
    QTest::newRow( "data16" ) << QString("|1|2|")
                                << QString("\\|") << 0 << 1 << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                                << QString("|1|") << true;
    QTest::newRow( "normal1" ) << QString("o1o2o")
                            << QString("o") << 0 << 0
                            << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                            << QString("o") << false;
    QTest::newRow( "normal2" ) << QString("o1o2o")
                            << QString("o") << 1 << 1
                            << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                            << QString("o1o") << false;
    QTest::newRow( "normal3" ) << QString("o1o2o")
                            << QString("o") << 2 << 2
                            << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                            << QString("o2o") << false;
    QTest::newRow( "normal4" ) << QString("o1o2o")
                            << QString("o") << 2 << 3
                            << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                            << QString("o2o") << false;
    QTest::newRow( "normal5" ) << QString("o1o2o")
                            << QString("o") << 1 << 2
                            << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                            << QString("o1o2o") << false;
    QTest::newRow( "rx1" ) << QString("o1o2o")
                        << QString("[a-z]") << 0 << 0
                        << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                        << QString("o") << true;
    QTest::newRow( "rx2" ) << QString("o1o2o")
                        << QString("[a-z]") << 1 << 1
                        << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                        << QString("o1o") << true;
    QTest::newRow( "rx3" ) << QString("o1o2o")
                        << QString("[a-z]") << 2 << 2
                        << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                        << QString("o2o") << true;
    QTest::newRow( "rx4" ) << QString("o1o2o")
                        << QString("[a-z]") << 2 << 3
                        << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                        << QString("o2o") << true;
    QTest::newRow( "rx5" ) << QString("o1o2o")
                        << QString("[a-z]") << 1 << 2
                        << int(QString::SectionIncludeLeadingSep|QString::SectionIncludeTrailingSep)
                        << QString("o1o2o") << true;
    QTest::newRow( "data17" ) << QString("This is a story, a small story")
                        << QString("\\b") << 3 << 3
                        << int(QString::SectionDefault)
                        << QString("is") << true;
    QTest::newRow( "data18" ) << QString("99.0 42.3")
                        << QString("\\s*[AaBb]\\s*") << 1 << 1
                        << int(QString::SectionIncludeLeadingSep)
                        << QString() << true;
}

void tst_QString::section()
{
    QFETCH( QString, wholeString );
    QFETCH( QString, sep );
    QFETCH( int, start );
    QFETCH( int, end );
    QFETCH( int, flags );
    QFETCH( QString, sectionString );
    QFETCH( bool, regexp );
    if (regexp) {
        QCOMPARE( wholeString.section( QRegExp(sep), start, end, QString::SectionFlag(flags) ), sectionString );
        QCOMPARE( wholeString.section( QRegularExpression(sep), start, end, QString::SectionFlag(flags) ), sectionString );
    } else {
        QCOMPARE( wholeString.section( sep, start, end, QString::SectionFlag(flags) ), sectionString );
        QCOMPARE( wholeString.section( QRegExp(QRegExp::escape(sep)), start, end, QString::SectionFlag(flags) ), sectionString );
        QCOMPARE( wholeString.section( QRegularExpression(QRegularExpression::escape(sep)), start, end, QString::SectionFlag(flags) ), sectionString );

    }
}


void tst_QString::operator_eqeq_nullstring()
{
    /* Some of these might not be all that logical but it's the behaviour we've had since 3.0.0
       so we should probably stick with it. */

    QVERIFY( QString() == "" );
    QVERIFY( "" == QString() );

    QVERIFY( QString("") == "" );
    QVERIFY( "" == QString("") );

    QVERIFY( QString().size() == 0 );

    QVERIFY( QString("").size() == 0 );

    QVERIFY( QString() == QString("") );
    QVERIFY( QString("") == QString() );
}

void tst_QString::operator_smaller()
{
    QString null;
    QString empty("");
    QString foo("foo");

    QVERIFY( !(null < QString()) );
    QVERIFY( !(null > QString()) );

    QVERIFY( !(empty < QString("")) );
    QVERIFY( !(empty > QString("")) );

    QVERIFY( !(null < empty) );
    QVERIFY( !(null > empty) );

    QVERIFY( null < foo );
    QVERIFY( !(null > foo) );
    QVERIFY( foo > null );
    QVERIFY( !(foo < null) );

    QVERIFY( empty < foo );
    QVERIFY( !(empty > foo) );
    QVERIFY( foo > empty );
    QVERIFY( !(foo < empty) );

    QVERIFY( !(null < QLatin1String(0)) );
    QVERIFY( !(null > QLatin1String(0)) );
    QVERIFY( !(null < QLatin1String("")) );
    QVERIFY( !(null > QLatin1String("")) );

    QVERIFY( !(null < QLatin1String("")) );
    QVERIFY( !(null > QLatin1String("")) );
    QVERIFY( !(empty < QLatin1String("")) );
    QVERIFY( !(empty > QLatin1String("")) );

    QVERIFY( !(QLatin1String(0) < null) );
    QVERIFY( !(QLatin1String(0) > null) );
    QVERIFY( !(QLatin1String("") < null) );
    QVERIFY( !(QLatin1String("") > null) );

    QVERIFY( !(QLatin1String(0) < empty) );
    QVERIFY( !(QLatin1String(0) > empty) );
    QVERIFY( !(QLatin1String("") < empty) );
    QVERIFY( !(QLatin1String("") > empty) );

    QVERIFY( QLatin1String(0) < foo );
    QVERIFY( !(QLatin1String(0) > foo) );
    QVERIFY( QLatin1String("") < foo );
    QVERIFY( !(QLatin1String("") > foo) );

    QVERIFY( foo > QLatin1String(0) );
    QVERIFY( !(foo < QLatin1String(0)) );
    QVERIFY( foo > QLatin1String("") );
    QVERIFY( !(foo < QLatin1String("")) );

    QVERIFY( QLatin1String(0) == empty);
    QVERIFY( QLatin1String(0) == null);
    QVERIFY( QLatin1String("") == empty);
    QVERIFY( QLatin1String("") == null);

    QVERIFY( !(foo < QLatin1String("foo")));
    QVERIFY( !(foo > QLatin1String("foo")));
    QVERIFY( !(QLatin1String("foo") < foo));
    QVERIFY( !(QLatin1String("foo") > foo));

    QVERIFY( !(foo < QLatin1String("a")));
    QVERIFY( (foo > QLatin1String("a")));
    QVERIFY( (QLatin1String("a") < foo));
    QVERIFY( !(QLatin1String("a") > foo));

    QVERIFY( (foo < QLatin1String("z")));
    QVERIFY( !(foo > QLatin1String("z")));
    QVERIFY( !(QLatin1String("z") < foo));
    QVERIFY( (QLatin1String("z") > foo));

    // operator< is not locale-aware (or shouldn't be)
    QVERIFY( foo < QString("\xc3\xa9") );
    QVERIFY( foo < "\xc3\xa9" );
}

void tst_QString::integer_conversion_data()
{
    QTest::addColumn<QString>("num_str");
    QTest::addColumn<int>("base");
    QTest::addColumn<bool>("good");
    QTest::addColumn<qlonglong>("num");

    QTest::newRow("C empty 0")      << QString("")         << 0  << false << (qlonglong)0;
    QTest::newRow("C empty 8")      << QString("")         << 8  << false << (qlonglong)0;
    QTest::newRow("C empty 10")     << QString("")         << 10 << false << (qlonglong)0;
    QTest::newRow("C empty 16")     << QString("")         << 16 << false << (qlonglong)0;

    QTest::newRow("C null 0")       << QString()           << 0  << false << (qlonglong)0;
    QTest::newRow("C null 8")       << QString()           << 8  << false << (qlonglong)0;
    QTest::newRow("C null 10")      << QString()           << 10 << false << (qlonglong)0;
    QTest::newRow("C null 16")      << QString()           << 16 << false << (qlonglong)0;

    QTest::newRow("C   -0xf 0")     << QString("  -0xf")   << 0  << true  << (qlonglong)-15;
    QTest::newRow("C -0xf   0")     << QString("-0xf  ")   << 0  << true  << (qlonglong)-15;
    QTest::newRow("C \t0xf\t 0")    << QString("\t0xf\t")  << 0  << true  << (qlonglong)15;
    QTest::newRow("C   -010 0")     << QString("  -010")   << 0  << true  << (qlonglong)-8;
    QTest::newRow("C 010   0")      << QString("010  ")    << 0  << true  << (qlonglong)8;
    QTest::newRow("C \t-010\t 0")   << QString("\t-010\t") << 0  << true  << (qlonglong)-8;
    QTest::newRow("C   123 10")     << QString("  123")    << 10 << true  << (qlonglong)123;
    QTest::newRow("C 123   10")     << QString("123  ")    << 10 << true  << (qlonglong)123;
    QTest::newRow("C \t123\t 10")   << QString("\t123\t")  << 10 << true  << (qlonglong)123;
    QTest::newRow("C   -0xf 16")    << QString("  -0xf")   << 16 << true  << (qlonglong)-15;
    QTest::newRow("C -0xf   16")    << QString("-0xf  ")   << 16 << true  << (qlonglong)-15;
    QTest::newRow("C \t0xf\t 16")   << QString("\t0xf\t")  << 16 << true  << (qlonglong)15;

    QTest::newRow("C -0 0")         << QString("-0")       << 0   << true << (qlonglong)0;
    QTest::newRow("C -0 8")         << QString("-0")       << 8   << true << (qlonglong)0;
    QTest::newRow("C -0 10")        << QString("-0")       << 10  << true << (qlonglong)0;
    QTest::newRow("C -0 16")        << QString("-0")       << 16  << true << (qlonglong)0;

    QTest::newRow("C 1.234 10")     << QString("1.234")    << 10 << false << (qlonglong)0;
    QTest::newRow("C 1,234 10")     << QString("1,234")    << 10 << false << (qlonglong)0;

    QTest::newRow("C 0x 0")         << QString("0x")       << 0  << false << (qlonglong)0;
    QTest::newRow("C 0x 16")        << QString("0x")       << 16 << false << (qlonglong)0;

    QTest::newRow("C 10 0")         << QString("10")       << 0  << true  << (qlonglong)10;
    QTest::newRow("C 010 0")        << QString("010")      << 0  << true  << (qlonglong)8;
    QTest::newRow("C 0x10 0")       << QString("0x10")     << 0  << true  << (qlonglong)16;
    QTest::newRow("C 10 8")         << QString("10")       << 8  << true  << (qlonglong)8;
    QTest::newRow("C 010 8")        << QString("010")      << 8  << true  << (qlonglong)8;
    QTest::newRow("C 0x10 8")       << QString("0x10")     << 8  << false << (qlonglong)0;
    QTest::newRow("C 10 10")        << QString("10")       << 10 << true  << (qlonglong)10;
    QTest::newRow("C 010 10")       << QString("010")      << 10 << true  << (qlonglong)10;
    QTest::newRow("C 0x10 10")      << QString("0x10")     << 10 << false << (qlonglong)0;
    QTest::newRow("C 10 16")        << QString("10")       << 16 << true  << (qlonglong)16;
    QTest::newRow("C 010 16")       << QString("010")      << 16 << true  << (qlonglong)16;
    QTest::newRow("C 0x10 16")      << QString("0x10")     << 16 << true  << (qlonglong)16;

    QTest::newRow("C -10 0")        << QString("-10")      << 0  << true  << (qlonglong)-10;
    QTest::newRow("C -010 0")       << QString("-010")     << 0  << true  << (qlonglong)-8;
    QTest::newRow("C -0x10 0")      << QString("-0x10")    << 0  << true  << (qlonglong)-16;
    QTest::newRow("C -10 8")        << QString("-10")      << 8  << true  << (qlonglong)-8;
    QTest::newRow("C -010 8")       << QString("-010")     << 8  << true  << (qlonglong)-8;
    QTest::newRow("C -0x10 8")      << QString("-0x10")    << 8  << false << (qlonglong)0;
    QTest::newRow("C -10 10")       << QString("-10")      << 10 << true  << (qlonglong)-10;
    QTest::newRow("C -010 10")      << QString("-010")     << 10 << true  << (qlonglong)-10;
    QTest::newRow("C -0x10 10")     << QString("-0x10")    << 10 << false << (qlonglong)0;
    QTest::newRow("C -10 16")       << QString("-10")      << 16 << true  << (qlonglong)-16;
    QTest::newRow("C -010 16")      << QString("-010")     << 16 << true  << (qlonglong)-16;
    QTest::newRow("C -0x10 16")     << QString("-0x10")    << 16 << true  << (qlonglong)-16;

    // Let's try some Arabic
    const quint16 arabic_str[] = { 0x0661, 0x0662, 0x0663, 0x0664, 0x0000 }; // "1234"
    QTest::newRow("ar_SA 1234 0")  << QString::fromUtf16(arabic_str)  << 0  << false << (qlonglong)0;
}

void tst_QString::integer_conversion()
{
    QFETCH(QString, num_str);
    QFETCH(int, base);
    QFETCH(bool, good);
    QFETCH(qlonglong, num);

    bool ok;
    qlonglong d = num_str.toLongLong(&ok, base);
    QCOMPARE(ok, good);

    if (ok) {
        QCOMPARE(d, num);
    }
}

void tst_QString::double_conversion_data()
{
    QTest::addColumn<QString>("num_str");
    QTest::addColumn<bool>("good");
    QTest::addColumn<double>("num");

    // The good...

    QTest::newRow("C 1")             << QString("1")          << true  << 1.0;
    QTest::newRow("C 1.0")           << QString("1.0")        << true  << 1.0;
    QTest::newRow("C 1.234")         << QString("1.234")      << true  << 1.234;
    QTest::newRow("C 1.234e-10")     << QString("1.234e-10")  << true  << 1.234e-10;
    QTest::newRow("C 1.234E10")      << QString("1.234E10")   << true  << 1.234e10;
    QTest::newRow("C 1e10")          << QString("1e10")       << true  << 1.0e10;

    // The bad...

    QTest::newRow("C empty")         << QString("")           << false << 0.0;
    QTest::newRow("C null")          << QString()             << false << 0.0;
    QTest::newRow("C .")             << QString(".")          << false << 0.0;
    QTest::newRow("C 1e")            << QString("1e")         << false << 0.0;
    QTest::newRow("C 1,")            << QString("1,")         << false << 0.0;
    QTest::newRow("C 1,0")           << QString("1,0")        << false << 0.0;
    QTest::newRow("C 1,000")         << QString("1,000")      << false << 0.0;
    QTest::newRow("C 1e1.0")         << QString("1e1.0")      << false << 0.0;
    QTest::newRow("C 1e+")           << QString("1e+")        << false << 0.0;
    QTest::newRow("C 1e-")           << QString("1e-")        << false << 0.0;
    QTest::newRow("de_DE 1,0")       << QString("1,0")        << false << 0.0;
    QTest::newRow("de_DE 1,234")     << QString("1,234")      << false << 0.0;
    QTest::newRow("de_DE 1,234e-10") << QString("1,234e-10")  << false << 0.0;
    QTest::newRow("de_DE 1,234E10")  << QString("1,234E10")   << false << 0.0;

    // And the ugly...

    QTest::newRow("C .1")            << QString(".1")         << true  << 0.1;
    QTest::newRow("C -.1")           << QString("-.1")        << true  << -0.1;
    QTest::newRow("C 1.")            << QString("1.")         << true  << 1.0;
    QTest::newRow("C 1.E10")         << QString("1.E10")      << true  << 1.0e10;
    QTest::newRow("C 1e+10")         << QString("1e+10")      << true  << 1.0e+10;
    QTest::newRow("C   1")           << QString("  1")        << true  << 1.0;
    QTest::newRow("C 1  ")           << QString("1  ")        << true  << 1.0;

    // Let's try some Arabic
    const quint16 arabic_str[] = { 0x0660, 0x066B, 0x0661, 0x0662,
                                    0x0663, 0x0664, 0x0065, 0x0662,
                                    0x0000 };                            // "0.1234e2"
    QTest::newRow("ar_SA") << QString::fromUtf16(arabic_str) << false << 0.0;
}

void tst_QString::double_conversion()
{
#define MY_DOUBLE_EPSILON (2.22045e-16)

    QFETCH(QString, num_str);
    QFETCH(bool, good);
    QFETCH(double, num);

    bool ok;
    double d = num_str.toDouble(&ok);
    QCOMPARE(ok, good);

    if (ok) {
        double diff = d - num;
        if (diff < 0)
            diff = -diff;
        QVERIFY(diff <= MY_DOUBLE_EPSILON);
    }
}

#ifndef Q_MOC_RUN
#include "double_data.h"
#endif

void tst_QString::tortureSprintfDouble()
{
    const SprintfDoubleData *data = g_sprintf_double_data;

    QString s;

    for (; data->fmt != 0; ++data) {
        double d;
        char *buff = (char *)&d;
#        ifndef Q_BYTE_ORDER
#            error "Q_BYTE_ORDER not defined"
#        endif

#        if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
        for (uint i = 0; i < 8; ++i)
            buff[i] = data->bytes[i];
#        else
        for (uint i = 0; i < 8; ++i)
            buff[7 - i] = data->bytes[i];
#        endif
        s.sprintf(data->fmt, d);
#ifdef QT_NO_FPU // reduced precision when running with hardfloats in qemu
        if (d - 0.1 < 1e12)
            QSKIP("clib sprintf doesn't fill with 0's on this platform");
        QCOMPARE(s.left(16), QString(data->expected).left(16));
#else
        QCOMPARE(s, QString(data->expected));
#endif
    }
}

#include <locale.h>

#if !defined(Q_OS_WIN) || defined(Q_OS_WIN_AND_WINCE)
// On Q_OS_WIN others than Win CE, we cannot set the system or user locale
void tst_QString::localeAwareCompare_data()
{
#ifdef Q_OS_WIN_AND_WINCE
    QTest::addColumn<ulong>("locale");
#else
    QTest::addColumn<QString>("locale");
#endif
    QTest::addColumn<QString>("s1");
    QTest::addColumn<QString>("s2");
    QTest::addColumn<int>("result");

    /*
        The C locale performs pure byte comparisons for
        Latin-1-specific characters (I think). Compare with Swedish
        below.
    */
#ifdef Q_OS_WIN_AND_WINCE // assume c locale to be english
    QTest::newRow("c1") << MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT) << QString::fromLatin1("\xe5") << QString::fromLatin1("\xe4") << 1;
    QTest::newRow("c2") << MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT) << QString::fromLatin1("\xe4") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("c3") << MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT) << QString::fromLatin1("\xe5") << QString::fromLatin1("\xf6") << -1;
#else
    QTest::newRow("c1") << QString("C") << QString::fromLatin1("\xe5") << QString::fromLatin1("\xe4") << 1;
    QTest::newRow("c2") << QString("C") << QString::fromLatin1("\xe4") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("c3") << QString("C") << QString::fromLatin1("\xe5") << QString::fromLatin1("\xf6") << -1;
#endif

    /*
        It's hard to test English, because it's treated differently
        on different platforms. For example, on Linux, it uses the
        iso14651_t1 template file, which happens to provide good
        defaults for Swedish. Mac OS X seems to do a pure bytewise
        comparison of Latin-1 values, although I'm not sure. So I
        just test digits to make sure that it's not totally broken.
    */
#ifdef Q_OS_WIN_AND_WINCE
    QTest::newRow("english1") << MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT) << QString("5") << QString("4") << 1;
    QTest::newRow("english2") << MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT) << QString("4") << QString("6") << -1;
    QTest::newRow("english3") << MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT) << QString("5") << QString("6") << -1;
#else
    QTest::newRow("english1") << QString("en_US") << QString("5") << QString("4") << 1;
    QTest::newRow("english2") << QString("en_US") << QString("4") << QString("6") << -1;
    QTest::newRow("english3") << QString("en_US") << QString("5") << QString("6") << -1;
#endif
    /*
        In Swedish, a with ring above (E5) comes before a with
        diaresis (E4), which comes before o diaresis (F6), which
        all come after z.
    */
#ifdef Q_OS_MAC
    QTest::newRow("swedish1") << QString("sv_SE.ISO8859-1") << QString::fromLatin1("\xe5") << QString::fromLatin1("\xe4") << -1;
    QTest::newRow("swedish2") << QString("sv_SE.ISO8859-1") << QString::fromLatin1("\xe4") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("swedish3") << QString("sv_SE.ISO8859-1") << QString::fromLatin1("\xe5") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("swedish4") << QString("sv_SE.ISO8859-1") << QString::fromLatin1("z") << QString::fromLatin1("\xe5") << -1;
#elif defined(Q_OS_WIN_AND_WINCE)
    QTest::newRow("swedish1") << MAKELCID(MAKELANGID(LANG_SWEDISH, SUBLANG_SWEDISH), SORT_DEFAULT) << QString::fromLatin1("\xe5") << QString::fromLatin1("\xe4") << -1;
    QTest::newRow("swedish2") << MAKELCID(MAKELANGID(LANG_SWEDISH, SUBLANG_SWEDISH), SORT_DEFAULT) << QString::fromLatin1("\xe4") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("swedish3") << MAKELCID(MAKELANGID(LANG_SWEDISH, SUBLANG_SWEDISH), SORT_DEFAULT) << QString::fromLatin1("\xe5") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("swedish4") << MAKELCID(MAKELANGID(LANG_SWEDISH, SUBLANG_SWEDISH), SORT_DEFAULT) << QString::fromLatin1("z") << QString::fromLatin1("\xe5") << -1;
#else
    QTest::newRow("swedish1") << QString("sv_SE") << QString::fromLatin1("\xe5") << QString::fromLatin1("\xe4") << -1;
    QTest::newRow("swedish2") << QString("sv_SE") << QString::fromLatin1("\xe4") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("swedish3") << QString("sv_SE") << QString::fromLatin1("\xe5") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("swedish4") << QString("sv_SE") << QString::fromLatin1("z") << QString::fromLatin1("\xe5") << -1;
#endif

#if 0
    /*
        In Norwegian, ae (E6) comes before o with stroke (D8), which
        comes before a with ring above (E5).
    */
    QTest::newRow("norwegian1") << QString("no_NO") << QString::fromLatin1("\xe6") << QString::fromLatin1("\xd8") << -1;
    QTest::newRow("norwegian2") << QString("no_NO") << QString::fromLatin1("\xd8") << QString::fromLatin1("\xe5") << -1;
    QTest::newRow("norwegian3") << QString("no_NO") << QString::fromLatin1("\xe6") << QString::fromLatin1("\xe5") << -1;
#endif

    /*
        In German, z comes *after* a with diaresis (E4),
        which comes before o diaresis (F6).
    */
#ifdef Q_OS_MAC
    QTest::newRow("german1") << QString("de_DE.ISO8859-1") << QString::fromLatin1("z") << QString::fromLatin1("\xe4") << 1;
    QTest::newRow("german2") << QString("de_DE.ISO8859-1") << QString::fromLatin1("\xe4") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("german3") << QString("de_DE.ISO8859-1") << QString::fromLatin1("z") << QString::fromLatin1("\xf6") << 1;
#elif defined(Q_OS_WIN_AND_WINCE)
    QTest::newRow("german1") << MAKELCID(MAKELANGID(LANG_GERMAN, SUBLANG_GERMAN), SORT_DEFAULT) << QString::fromLatin1("z") << QString::fromLatin1("\xe4") << 1;
    QTest::newRow("german2") << MAKELCID(MAKELANGID(LANG_GERMAN, SUBLANG_GERMAN), SORT_DEFAULT) << QString::fromLatin1("\xe4") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("german3") << MAKELCID(MAKELANGID(LANG_GERMAN, SUBLANG_GERMAN), SORT_DEFAULT) << QString::fromLatin1("z") << QString::fromLatin1("\xf6") << 1;
#else
    QTest::newRow("german1") << QString("de_DE") << QString::fromLatin1("z") << QString::fromLatin1("\xe4") << 1;
    QTest::newRow("german2") << QString("de_DE") << QString::fromLatin1("\xe4") << QString::fromLatin1("\xf6") << -1;
    QTest::newRow("german3") << QString("de_DE") << QString::fromLatin1("z") << QString::fromLatin1("\xf6") << 1;
#endif
}

void tst_QString::localeAwareCompare()
{
#ifdef Q_OS_WIN_AND_WINCE
    QFETCH(ulong, locale);
#else
    QFETCH(QString, locale);
#endif
    QFETCH(QString, s1);
    QFETCH(QString, s2);
    QFETCH(int, result);

    QStringRef r1(&s1, 0, s1.length());
    QStringRef r2(&s2, 0, s2.length());

#ifdef Q_OS_WIN_AND_WINCE
    DWORD oldLcid = GetUserDefaultLCID();
    SetUserDefaultLCID(locale);
    QCOMPARE(locale, GetUserDefaultLCID());
#elif defined (Q_OS_MAC)
    QSKIP("Setting the locale is not supported on OS X (you can set the C locale, but that won't affect CFStringCompare which is used to compare strings)");
#elif defined(QT_USE_ICU)
    QLocale::setDefault(QLocale(locale));
#else
    if (!locale.isEmpty()) {
        const char *newLocale = setlocale(LC_ALL, locale.toLatin1());
        if (!newLocale) {
            setlocale(LC_ALL, "");
            QSKIP("Please install the proper locale on this machine to test properly");
        }
    }
#endif

#ifdef QT_USE_ICU
    // ### for c1, ICU disagrees with libc on how to compare
    QEXPECT_FAIL("c1", "ICU disagrees with test", Abort);
#endif

    int testres = QString::localeAwareCompare(s1, s2);
    if (result < 0) {
        QVERIFY(testres < 0);
    } else if (result > 0) {
        QVERIFY(testres > 0);
    } else {
        QVERIFY(testres == 0);
    }

    testres = QString::localeAwareCompare(s2, s1);
    if (result > 0) {
        QVERIFY(testres < 0);
    } else if (result < 0) {
        QVERIFY(testres > 0);
    } else {
        QVERIFY(testres == 0);
    }

    testres = QString::localeAwareCompare(s1, r2);
    if (result < 0) {
        QVERIFY(testres < 0);
    } else if (result > 0) {
        QVERIFY(testres > 0);
    } else {
        QVERIFY(testres == 0);
    }

    testres = QStringRef::localeAwareCompare(r1, r2);
    if (result < 0) {
        QVERIFY(testres < 0);
    } else if (result > 0) {
        QVERIFY(testres > 0);
    } else {
        QVERIFY(testres == 0);
    }

    testres = QStringRef::localeAwareCompare(r2, r1);
    if (result > 0) {
        QVERIFY(testres < 0);
    } else if (result < 0) {
        QVERIFY(testres > 0);
    } else {
        QVERIFY(testres == 0);
    }

#ifdef Q_OS_WIN_AND_WINCE
    SetUserDefaultLCID(oldLcid);
#else
    if (!locale.isEmpty())
            setlocale(LC_ALL, "");
#endif
}
#endif //!defined(Q_OS_WIN) || defined(Q_OS_WIN_AND_WINCE)

void tst_QString::split_data()
{
    QTest::addColumn<QString>("str");
    QTest::addColumn<QString>("sep");
    QTest::addColumn<QStringList>("result");

    QTest::newRow("1") << "a,b,c" << "," << (QStringList() << "a" << "b" << "c");
    QTest::newRow("2") << QString("-rw-r--r--  1 0  0  519240 Jul  9  2002 bigfile")
                    << " "
                    << (QStringList() << "-rw-r--r--" << "" << "1" << "0" << "" << "0" << ""
                                      << "519240" << "Jul" << "" << "9" << "" << "2002" << "bigfile");
    QTest::newRow("one-empty") << "" << " " << (QStringList() << "");
    QTest::newRow("two-empty") << " " << " " << (QStringList() << "" << "");
    QTest::newRow("three-empty") << "  " << " " << (QStringList() << "" << "" << "");

    QTest::newRow("all-empty") << "" << "" << (QStringList() << "" << "");
    QTest::newRow("sep-empty") << "abc" << "" << (QStringList() << "" << "a" << "b" << "c" << "");
}

void tst_QString::split()
{
    QFETCH(QString, str);
    QFETCH(QString, sep);
    QFETCH(QStringList, result);

    QRegExp rx = QRegExp(QRegExp::escape(sep));
    QRegularExpression re(QRegularExpression::escape(sep));

    QStringList list;

    list = str.split(sep);
    QVERIFY(list == result);
    list = str.split(rx);
    QVERIFY(list == result);
    list = str.split(re);
    QVERIFY(list == result);
    if (sep.size() == 1) {
        list = str.split(sep.at(0));
        QVERIFY(list == result);
    }

    list = str.split(sep, QString::KeepEmptyParts);
    QVERIFY(list == result);
    list = str.split(rx, QString::KeepEmptyParts);
    QVERIFY(list == result);
    list = str.split(re, QString::KeepEmptyParts);
    QVERIFY(list == result);
    if (sep.size() == 1) {
        list = str.split(sep.at(0), QString::KeepEmptyParts);
        QVERIFY(list == result);
    }

    result.removeAll("");
    list = str.split(sep, QString::SkipEmptyParts);
    QVERIFY(list == result);
    list = str.split(rx, QString::SkipEmptyParts);
    QVERIFY(list == result);
    list = str.split(re, QString::SkipEmptyParts);
    QVERIFY(list == result);
    if (sep.size() == 1) {
        list = str.split(sep.at(0), QString::SkipEmptyParts);
        QVERIFY(list == result);
    }
}

void tst_QString::split_regexp_data()
{
    QTest::addColumn<QString>("string");
    QTest::addColumn<QString>("pattern");
    QTest::addColumn<QStringList>("result");

    QTest::newRow("data01") << "Some  text\n\twith  strange whitespace."
                            << "\\s+"
                            << (QStringList() << "Some" << "text" << "with" << "strange" << "whitespace." );

    QTest::newRow("data02") << "This time, a normal English sentence."
                            << "\\W+"
                            << (QStringList() << "This" << "time" << "a" << "normal" << "English" << "sentence" << "");

    QTest::newRow("data03") << "Now: this sentence fragment."
                            << "\\b"
                            << (QStringList() << "" << "Now" << ": " << "this" << " " << "sentence" << " " << "fragment" << ".");
}

void tst_QString::split_regexp()
{
    QFETCH(QString, string);
    QFETCH(QString, pattern);
    QFETCH(QStringList, result);

    QStringList list;
    list = string.split(QRegExp(pattern));
    QCOMPARE(list, result);
    list = string.split(QRegularExpression(pattern));
    QCOMPARE(list, result);

    result.removeAll(QString());

    list = string.split(QRegExp(pattern), QString::SkipEmptyParts);
    QCOMPARE(list, result);
    list = string.split(QRegularExpression(pattern), QString::SkipEmptyParts);
    QCOMPARE(list, result);
}

void tst_QString::fromUtf16_data()
{
    QTest::addColumn<QString>("ucs2");
    QTest::addColumn<QString>("res");
    QTest::addColumn<int>("len");

    QTest::newRow("str0") << QString("abcdefgh") << QString("abcdefgh") << -1;
    QTest::newRow("str0-len") << QString("abcdefgh") << QString("abc") << 3;
}

void tst_QString::fromUtf16()
{
    QFETCH(QString, ucs2);
    QFETCH(QString, res);
    QFETCH(int, len);

    QCOMPARE(QString::fromUtf16(ucs2.utf16(), len), res);
}


void tst_QString::latin1String()
{
    QString s("Hello");

    QVERIFY(s == QLatin1String("Hello"));
    QVERIFY(s != QLatin1String("Hello World"));
    QVERIFY(s < QLatin1String("Helloa"));
    QVERIFY(!(s > QLatin1String("Helloa")));
    QVERIFY(s > QLatin1String("Helln"));
    QVERIFY(s > QLatin1String("Hell"));
    QVERIFY(!(s < QLatin1String("Helln")));
    QVERIFY(!(s < QLatin1String("Hell")));
}

void tst_QString::nanAndInf()
{
    bool ok;
    double d;

#define CHECK_DOUBLE(str, expected_ok, expected_inf) \
    d = QString(str).toDouble(&ok); \
    QVERIFY(ok == expected_ok); \
    QVERIFY((d == INFINITY) == expected_inf);

    CHECK_DOUBLE("inf", true, true)
    CHECK_DOUBLE("INF", true, true)
    CHECK_DOUBLE("inf  ", true, true)
    CHECK_DOUBLE("+inf", true, true)
    CHECK_DOUBLE("\t +INF", true, true)
    CHECK_DOUBLE("\t INF", true, true)
    CHECK_DOUBLE("inF  ", true, true)
    CHECK_DOUBLE("+iNf", true, true)
    CHECK_DOUBLE("INFe-10", false, false)
    CHECK_DOUBLE("0xINF", false, false)
    CHECK_DOUBLE("- INF", false, false)
    CHECK_DOUBLE("+ INF", false, false)
    CHECK_DOUBLE("-- INF", false, false)
    CHECK_DOUBLE("inf0", false, false)
    CHECK_DOUBLE("--INF", false, false)
    CHECK_DOUBLE("++INF", false, false)
    CHECK_DOUBLE("INF++", false, false)
    CHECK_DOUBLE("INF--", false, false)
    CHECK_DOUBLE("INF +", false, false)
    CHECK_DOUBLE("INF -", false, false)
    CHECK_DOUBLE("0INF", false, false)
#undef CHECK_INF

#define CHECK_NAN(str, expected_ok, expected_nan) \
    d = QString(str).toDouble(&ok); \
    QVERIFY(ok == expected_ok); \
    QVERIFY((bool)isnan(d) == expected_nan); \

    CHECK_NAN("nan", true, true)
    CHECK_NAN("NAN", true, true)
    CHECK_NAN("nan  ", true, true)
    CHECK_NAN("\t NAN", true, true)
    CHECK_NAN("\t NAN  ", true, true)
#ifndef QT_QLOCALE_USES_FCVT //In case we use glibc this tests will fail
    CHECK_NAN("-nan", false, false)
    CHECK_NAN("+NAN", false, false)
#endif
    CHECK_NAN("NaN", true, true)
    CHECK_NAN("nAn", true, true)
    CHECK_NAN("NANe-10", false, false)
    CHECK_NAN("0xNAN", false, false)
    CHECK_NAN("0NAN", false, false)
#undef CHECK_NAN

    d = QString("-INF").toDouble(&ok);
    QVERIFY(ok);
    QVERIFY(d == -INFINITY);

    QString("INF").toLong(&ok);
    QVERIFY(!ok);

    QString("INF").toLong(&ok, 36);
    QVERIFY(ok);

    QString("INF0").toLong(&ok, 36);
    QVERIFY(ok);

    QString("0INF0").toLong(&ok, 36);
    QVERIFY(ok);

    // Check that inf (float) => "inf" (QString) => inf (float).
    float value = qInf();
    QString valueAsString = QString::number(value);
    QCOMPARE(valueAsString, QString::fromLatin1("inf"));
    float valueFromString = valueAsString.toFloat();
    QVERIFY(qIsInf(valueFromString));

    // Check that -inf (float) => "-inf" (QString) => -inf (float).
    value = -qInf();
    valueAsString = QString::number(value);
    QCOMPARE(valueAsString, QString::fromLatin1("-inf"));
    valueFromString = valueAsString.toFloat();
    QVERIFY(value == -qInf());
    QVERIFY(qIsInf(valueFromString));
}

void tst_QString::arg_fillChar_data()
{
    QTest::addColumn<QString>("pattern");
    QTest::addColumn<QList<QVariant> >("replaceValues");
    QTest::addColumn<IntList>("widths");
    QTest::addColumn<QString>("fillChars");
    QTest::addColumn<QString>("expected");

    QList<QVariant> replaceValues;
    IntList widths;
    QString fillChars;

    replaceValues << QVariant((int)5) << QVariant(QString("f")) << QVariant((int)0);
    widths << 3 << 2 << 5;
    QTest::newRow("str0") << QString("%1%2%3") << replaceValues << widths << QString("abc") << QString("aa5bfcccc0");

    replaceValues.clear();
    widths.clear();
    replaceValues << QVariant((int)5.5) << QVariant(QString("foo")) << QVariant((qulonglong)INT_MAX);
    widths << 10 << 2 << 5;
    QTest::newRow("str1") << QString("%3.%1.%3.%2") << replaceValues << widths << QString("0 c")
                       << QString("2147483647.0000000005.2147483647.foo");

    replaceValues.clear();
    widths.clear();
    replaceValues << QVariant(QString("fisk"));
    widths << 100;
    QTest::newRow("str2") << QString("%9 og poteter") << replaceValues << widths << QString("f")
                       << QString("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffisk og poteter");
}

void tst_QString::arg_fillChar()
{
    static const int base = 10;
    static const char fmt = 'g';
    static const int prec = -1;

    QFETCH(QString, pattern);
    QFETCH(QList<QVariant>, replaceValues);
    QFETCH(IntList, widths);
    QFETCH(QString, fillChars);
    QFETCH(QString, expected);
    QCOMPARE(replaceValues.count(), fillChars.count());
    QCOMPARE(replaceValues.count(), widths.count());

    QString actual = pattern;
    for (int i=0; i<replaceValues.count(); ++i) {
        const QVariant &var = replaceValues.at(i);
        const int width = widths.at(i);
        const QChar fillChar = fillChars.at(i);
        switch (var.type()) {
        case QVariant::String: actual = actual.arg(var.toString(), width, fillChar); break;
        case QVariant::Int: actual = actual.arg(var.toInt(), width, base, fillChar); break;
        case QVariant::UInt: actual = actual.arg(var.toUInt(), width, base, fillChar); break;
        case QVariant::Double: actual = actual.arg(var.toDouble(), width, fmt, prec, fillChar); break;
        case QVariant::LongLong: actual = actual.arg(var.toLongLong(), width, base, fillChar); break;
        case QVariant::ULongLong: actual = actual.arg(var.toULongLong(), width, base, fillChar); break;
        default: QVERIFY(0); break;
        }
    }

    QCOMPARE(actual, expected);
}

static inline int sign(int x)
{
    return x == 0 ? 0 : (x < 0 ? -1 : 1);
}

void tst_QString::compare_data()
{
    QTest::addColumn<QString>("s1");
    QTest::addColumn<QString>("s2");
    QTest::addColumn<int>("csr"); // case sensitive result
    QTest::addColumn<int>("cir"); // case insensitive result


    // null strings
    QTest::newRow("data0") << QString("") << QString("") << 0 << 0;
    QTest::newRow("data1") << QString("a") << QString("") << 1 << 1;
    QTest::newRow("data2") << QString("") << QString("a") << -1 << -1;

    // equal length
    QTest::newRow("data3") << QString("abc") << QString("abc") << 0 << 0;
    QTest::newRow("data4") << QString("abC") << QString("abc") << -1 << 0;
    QTest::newRow("data5") << QString("abc") << QString("abC") << 1 << 0;

    // different length
    QTest::newRow("data6") << QString("abcdef") << QString("abc") << 1 << 1;
    QTest::newRow("data7") << QString("abCdef") << QString("abc") << -1 << 1;
    QTest::newRow("data8") << QString("abc") << QString("abcdef") << -1 << -1;

    QString upper;
    upper += QChar(QChar::highSurrogate(0x10400));
    upper += QChar(QChar::lowSurrogate(0x10400));
    QString lower;
    lower += QChar(QChar::highSurrogate(0x10428));
    lower += QChar(QChar::lowSurrogate(0x10428));
    QTest::newRow("data8") << upper << lower << -1 << 0;

    // embedded nulls
    // These don't work as of now. It's OK that these don't work since \0 is not a valid unicode
    /*QTest::newRow("data10") << QString(QByteArray("\0", 1)) << QString(QByteArray("\0", 1)) << 0 << 0;
    QTest::newRow("data11") << QString(QByteArray("\0", 1)) << QString("") << 1 << 1;
    QTest::newRow("data12") << QString("") << QString(QByteArray("\0", 1)) << -1 << -1;
    QTest::newRow("data13") << QString("ab\0c") << QString(QByteArray("ab\0c", 4)) << 0 << 0;
    QTest::newRow("data14") << QString(QByteArray("ab\0c", 4)) << QString("abc") << -1 << -1;
    QTest::newRow("data15") << QString("abc") << QString(QByteArray("ab\0c", 4)) << 1 << 1;*/
}

static bool isLatin(const QString &s)
{
    for (int i = 0; i < s.length(); ++i)
        if (s.at(i).unicode() > 0xff)
            return false;
    return true;
}

void tst_QString::compare()
{
    QFETCH(QString, s1);
    QFETCH(QString, s2);
    QFETCH(int, csr);
    QFETCH(int, cir);

    QStringRef r1(&s1, 0, s1.length());
    QStringRef r2(&s2, 0, s2.length());

    QCOMPARE(sign(QString::compare(s1, s2)), csr);
    QCOMPARE(sign(QStringRef::compare(r1, r2)), csr);
    QCOMPARE(sign(s1.compare(s2)), csr);
    QCOMPARE(sign(s1.compare(r2)), csr);
    QCOMPARE(sign(r1.compare(r2)), csr);

    QCOMPARE(sign(s1.compare(s2, Qt::CaseSensitive)), csr);
    QCOMPARE(sign(s1.compare(s2, Qt::CaseInsensitive)), cir);
    QCOMPARE(sign(s1.compare(r2, Qt::CaseSensitive)), csr);
    QCOMPARE(sign(s1.compare(r2, Qt::CaseInsensitive)), cir);
    QCOMPARE(sign(r1.compare(r2, Qt::CaseSensitive)), csr);
    QCOMPARE(sign(r1.compare(r2, Qt::CaseInsensitive)), cir);

    QCOMPARE(sign(QString::compare(s1, s2, Qt::CaseSensitive)), csr);
    QCOMPARE(sign(QString::compare(s1, s2, Qt::CaseInsensitive)), cir);
    QCOMPARE(sign(QString::compare(s1, r2, Qt::CaseSensitive)), csr);
    QCOMPARE(sign(QString::compare(s1, r2, Qt::CaseInsensitive)), cir);
    QCOMPARE(sign(QStringRef::compare(r1, r2, Qt::CaseSensitive)), csr);
    QCOMPARE(sign(QStringRef::compare(r1, r2, Qt::CaseInsensitive)), cir);

    if (csr == 0) {
        QVERIFY(qHash(s1) == qHash(s2));
        QVERIFY(qHash(s1) == qHash(r2));
        QVERIFY(qHash(r1) == qHash(s2));
        QVERIFY(qHash(r1) == qHash(r2));
    }

    if (!cir) {
        QCOMPARE(s1.toCaseFolded(), s2.toCaseFolded());
    }

    if (isLatin(s2)) {
        QCOMPARE(sign(QString::compare(s1, QLatin1String(s2.toLatin1()))), csr);
        QCOMPARE(sign(QString::compare(s1, QLatin1String(s2.toLatin1()), Qt::CaseInsensitive)), cir);
        QCOMPARE(sign(QStringRef::compare(r1, QLatin1String(s2.toLatin1()))), csr);
        QCOMPARE(sign(QStringRef::compare(r1, QLatin1String(s2.toLatin1()), Qt::CaseInsensitive)), cir);
        QByteArray l1 = s2.toLatin1();
        l1 += "x";
        QLatin1String l1str(l1.constData(), l1.size() - 1);
        QCOMPARE(sign(QString::compare(s1, l1str)), csr);
        QCOMPARE(sign(QString::compare(s1, l1str, Qt::CaseInsensitive)), cir);
        QCOMPARE(sign(QStringRef::compare(r1, l1str)), csr);
        QCOMPARE(sign(QStringRef::compare(r1, l1str, Qt::CaseInsensitive)), cir);
    }

    if (isLatin(s1)) {
        QCOMPARE(sign(QString::compare(QLatin1String(s1.toLatin1()), s2)), csr);
        QCOMPARE(sign(QString::compare(QLatin1String(s1.toLatin1()), s2, Qt::CaseInsensitive)), cir);
    }
}

void tst_QString::resizeAfterFromRawData()
{
    QString buffer("hello world");

    QString array = QString::fromRawData(buffer.constData(), buffer.size());
    QVERIFY(array.constData() == buffer.constData());
    array.resize(5);
    QVERIFY(array.constData() == buffer.constData());
}

void tst_QString::resizeAfterReserve()
{

    QString s;
    s.reserve(100);

    s += "hello world";

    // resize should not affect capacity
    s.resize(s.size());
    QVERIFY(s.capacity() == 100);

    // but squeeze does
    s.squeeze();
    QVERIFY(s.capacity() == s.size());

    // clear does too
    s.clear();
    QVERIFY(s.capacity() == 0);

    // test resize(0) border case
    s.reserve(100);
    s += "hello world";
    s.resize(0);
    QVERIFY(s.capacity() == 100);
}

void tst_QString::resizeWithNegative() const
{
    {
        QString string(QLatin1String("input"));
        string.resize(-1);
        QCOMPARE(string, QString());
    }

    {
        QString string(QLatin1String("input"));
        string.resize(-9099);
        QCOMPARE(string, QString());
    }

    {
        /* Example code from customer. */
        QString s(QLatin1String("hola"));
        s.reserve(1);
        s.resize(-1);
        QCOMPARE(s, QString());
    }
}

void tst_QString::truncateWithNegative() const
{
    {
        QString string(QLatin1String("input"));
        string.truncate(-1);
        QCOMPARE(string, QString());
    }

    {
        QString string(QLatin1String("input"));
        string.truncate(-9099);
        QCOMPARE(string, QString());
    }

    {
        /* Example code from customer. */
        QString test(QLatin1String("c"));

        test.replace(QRegExp(QLatin1String("c")), QLatin1String("z"));
        test.truncate(-1);
        QCOMPARE(test, QString());
    }
}

void tst_QString::QCharRefMutableUnicode() const
{
    QString str;
    str.resize(3);
    str[0].unicode() = 115;
    str[1].unicode() = 116;
    str[2].unicode() = 114;

    QCOMPARE(str, QString::fromLatin1("str"));
}

void tst_QString::QCharRefDetaching() const
{
    {
        QString str = QString::fromLatin1("str");
        QString copy;
        copy[0] = QLatin1Char('S');

        QCOMPARE(str, QString::fromLatin1("str"));
    }

    {
        ushort buf[] = { 's', 't', 'r' };
        QString str = QString::fromRawData((const QChar *)buf, 3);
        str[0] = QLatin1Char('S');

        QCOMPARE(buf[0], ushort('s'));
    }

    {
        static const ushort buf[] = { 's', 't', 'r' };
        QString str = QString::fromRawData((const QChar *)buf, 3);

        // this causes a crash in most systems if the detaching doesn't work
        str[0] = QLatin1Char('S');

        QCOMPARE(buf[0], ushort('s'));
    }
}

void tst_QString::sprintfZU() const
{
    {
        QString string;
        size_t s = 6;
        string.sprintf("%zu", s);
        QCOMPARE(string, QString::fromLatin1("6"));
    }

    {
        QString string;
        string.sprintf("%s\n", "foo");
        QCOMPARE(string, QString::fromLatin1("foo\n"));
    }

    {
        /* This code crashed. I don't know how to reduce it further. In other words,
         * both %zu and %s needs to be present. */
        size_t s = 6;
        QString string;
        string.sprintf("%zu%s", s, "foo");
        QCOMPARE(string, QString::fromLatin1("6foo"));
    }

    {
        size_t s = 6;
        QString string;
        string.sprintf("%zu %s\n", s, "foo");
        QCOMPARE(string, QString::fromLatin1("6 foo\n"));
    }
}

void tst_QString::repeatedSignature() const
{
    /* repated() should be a const member. */
    const QString string;
    string.repeated(3);
}

void tst_QString::repeated() const
{
    QFETCH(QString, string);
    QFETCH(QString, expected);
    QFETCH(int, count);

    QCOMPARE(string.repeated(count), expected);
}

void tst_QString::repeated_data() const
{
    QTest::addColumn<QString>("string" );
    QTest::addColumn<QString>("expected" );
    QTest::addColumn<int>("count" );

    /* Empty strings. */
    QTest::newRow("data1")
        << QString()
        << QString()
        << 0;

    QTest::newRow("data2")
        << QString()
        << QString()
        << -1004;

    QTest::newRow("data3")
        << QString()
        << QString()
        << 1;

    QTest::newRow("data4")
        << QString()
        << QString()
        << 5;

    /* On simple string. */
    QTest::newRow("data5")
        << QString(QLatin1String("abc"))
        << QString()
        << -1004;

    QTest::newRow("data6")
        << QString(QLatin1String("abc"))
        << QString()
        << -1;

    QTest::newRow("data7")
        << QString(QLatin1String("abc"))
        << QString()
        << 0;

    QTest::newRow("data8")
        << QString(QLatin1String("abc"))
        << QString(QLatin1String("abc"))
        << 1;

    QTest::newRow("data9")
        << QString(QLatin1String("abc"))
        << QString(QLatin1String("abcabc"))
        << 2;

    QTest::newRow("data10")
        << QString(QLatin1String("abc"))
        << QString(QLatin1String("abcabcabc"))
        << 3;

    QTest::newRow("data11")
        << QString(QLatin1String("abc"))
        << QString(QLatin1String("abcabcabcabc"))
        << 4;
}

void tst_QString::compareRef()
{
    QString a = "ABCDEFGH";

    QCOMPARE(QStringRef(&a, 1, 2).compare(QLatin1String("BC")), 0);
    QVERIFY(QStringRef(&a, 1, 2).compare(QLatin1String("BCD")) < 0);
    QCOMPARE(QStringRef(&a, 1, 2).compare(QLatin1String("Bc"), Qt::CaseInsensitive), 0);
    QVERIFY(QStringRef(&a, 1, 2).compare(QLatin1String("bCD"), Qt::CaseInsensitive) < 0);

    QCOMPARE(QStringRef(&a, 1, 2).compare(QString::fromLatin1("BC")), 0);
    QVERIFY(QStringRef(&a, 1, 2).compare(QString::fromLatin1("BCD")) < 0);
    QCOMPARE(QStringRef(&a, 1, 2).compare(QString::fromLatin1("Bc"), Qt::CaseInsensitive), 0);
    QVERIFY(QStringRef(&a, 1, 2).compare(QString::fromLatin1("bCD"), Qt::CaseInsensitive) < 0);

    QCOMPARE(QString::fromLatin1("BC").compare(QStringRef(&a, 1, 2)), 0);
    QVERIFY(QString::fromLatin1("BCD").compare(QStringRef(&a, 1, 2)) > 0);
    QCOMPARE(QString::fromLatin1("Bc").compare(QStringRef(&a, 1, 2), Qt::CaseInsensitive), 0);
    QVERIFY(QString::fromLatin1("bCD").compare(QStringRef(&a, 1, 2), Qt::CaseInsensitive) > 0);

    QCOMPARE(QStringRef(&a, 1, 2).compare(QStringRef(&a, 1, 2)), 0);
    QVERIFY(QStringRef(&a, 1, 2).compare(QStringRef(&a, 1, 3)) < 0);
    QCOMPARE(QStringRef(&a, 1, 2).compare(QStringRef(&a, 1, 2), Qt::CaseInsensitive), 0);
    QVERIFY(QStringRef(&a, 1, 2).compare(QStringRef(&a, 1, 3), Qt::CaseInsensitive) < 0);

    QString a2 = "ABCDEFGh";
    QCOMPARE(QStringRef(&a2, 1, 2).compare(QStringRef(&a, 1, 2)), 0);
    QVERIFY(QStringRef(&a2, 1, 2).compare(QStringRef(&a, 1, 3)) < 0);
    QCOMPARE(QStringRef(&a2, 1, 2).compare(QStringRef(&a, 1, 2), Qt::CaseInsensitive), 0);
    QVERIFY(QStringRef(&a2, 1, 2).compare(QStringRef(&a, 1, 3), Qt::CaseInsensitive) < 0);
}

void tst_QString::arg_locale()
{
    QLocale l(QLocale::English, QLocale::UnitedKingdom);
    QString str("*%L1*%L2*");

    QCOMPARE(str.arg(123456).arg(1234.56), QString::fromLatin1("*123,456*1,234.56*"));
    QLocale::setDefault(l);

    l.setNumberOptions(QLocale::OmitGroupSeparator);
    QLocale::setDefault(l);
    QCOMPARE(str.arg(123456).arg(1234.56), QString::fromLatin1("*123456*1234.56*"));

    QLocale::setDefault(QLocale::C);
}


#ifdef QT_USE_ICU
// Qt has to be built with ICU support
void tst_QString::toUpperLower_icu()
{
    QString s = QString::fromLatin1("i");

    QCOMPARE(s.toUpper(), QString::fromLatin1("I"));
    QCOMPARE(s.toLower(), QString::fromLatin1("i"));

    QLocale::setDefault(QLocale(QLocale::Turkish, QLocale::Turkey));

    QCOMPARE(s.toUpper(), QString::fromLatin1("I"));
    QCOMPARE(s.toLower(), QString::fromLatin1("i"));

    // turkish locale has a capital I with a dot (U+0130, utf8 c4b0)
    QLocale l;

    QCOMPARE(l.toUpper(s), QString::fromUtf8("\xc4\xb0"));
    QCOMPARE(l.toLower(QString::fromUtf8("\xc4\xb0")), s);

    // nothing should happen here
    QCOMPARE(l.toLower(s), s);
    QCOMPARE(l.toUpper(QString::fromLatin1("I")), QString::fromLatin1("I"));

    // U+0131, utf8 c4b1 is the lower-case i without a dot
    QString sup = QString::fromUtf8("\xc4\xb1");

    QCOMPARE(l.toUpper(sup), QString::fromLatin1("I"));
    QCOMPARE(l.toLower(QString::fromLatin1("I")), sup);

    // nothing should happen here
    QCOMPARE(l.toLower(sup), sup);
    QCOMPARE(l.toLower(QString::fromLatin1("i")), QString::fromLatin1("i"));

    // the cleanup function will restore the default locale
}
#endif

#if defined(QT_UNICODE_LITERAL) && (defined(Q_COMPILER_LAMBDA) || defined(Q_CC_GNU))
// Only tested on c++0x compliant compiler or gcc
void tst_QString::literals()
{
    QString str(QStringLiteral("abcd"));

    QVERIFY(str.length() == 4);
    QVERIFY(str == QLatin1String("abcd"));
    QVERIFY(str.data_ptr()->ref.isStatic());
    QVERIFY(str.data_ptr()->offset == sizeof(QStringData));

    const QChar *s = str.constData();
    QString str2 = str;
    QVERIFY(str2.constData() == s);

    // detach on non const access
    QVERIFY(str.data() != s);

    QVERIFY(str2.constData() == s);
    QVERIFY(str2.data() != s);
}
#endif

void tst_QString::eightBitLiterals_data()
{
    QTest::addColumn<QByteArray>("data");
    QTest::addColumn<QString>("stringData");

    QTest::newRow("null") << QByteArray() << QString();
    QTest::newRow("empty") << QByteArray("") << QString("");
    QTest::newRow("regular") << QByteArray("foo") << "foo";
    QTest::newRow("non-ascii") << QByteArray("\xc3\xa9") << QString::fromLatin1("\xe9");
}

void tst_QString::eightBitLiterals()
{
    QFETCH(QByteArray, data);
    QFETCH(QString, stringData);

    {
        QString s(data);
        QCOMPARE(s, stringData);
    }
    {
        QString s(data.constData());
        QCOMPARE(s, stringData);
    }
    {
        QString s;
        s = data;
        QCOMPARE(s, stringData);
    }
    {
        QString s;
        s = data.constData();
        QCOMPARE(s, stringData);
    }
    {
        QString s;
        s.append(data);
        QCOMPARE(s, stringData);
    }
    {
        QString s;
        s.append(data.constData());
        QCOMPARE(s, stringData);
    }
    {
        QString s;
        s += data;
        QCOMPARE(s, stringData);
    }
    {
        QString s;
        s += data.constData();
        QCOMPARE(s, stringData);
    }
    {
        QString s;
        s.prepend(data);
        QCOMPARE(s, stringData);
    }
    {
        QString s;
        s.prepend(data.constData());
        QCOMPARE(s, stringData);
    }
    {
        QString s = QString() + data;
        QCOMPARE(s, stringData);
    }
    {
        QString s = QString() + data.constData();
        QCOMPARE(s, stringData);
    }
    {
        QString s = data + QString();
        QCOMPARE(s, stringData);
    }
    {
        QString s = QString() % data;
        QCOMPARE(s, stringData);
    }
    {
        QString s = QString() % data.constData();
        QCOMPARE(s, stringData);
    }
    {
        QString s = data % QString();
        QCOMPARE(s, stringData);
    }

    {
        QVERIFY(stringData == data);
        QVERIFY(stringData == data.constData());
        QVERIFY(!(stringData != data));
        QVERIFY(!(stringData != data.constData()));
        QVERIFY(!(stringData < data));
        QVERIFY(!(stringData < data.constData()));
        QVERIFY(!(stringData > data));
        QVERIFY(!(stringData > data.constData()));
        QVERIFY(stringData <= data);
        QVERIFY(stringData <= data.constData());
        QVERIFY(stringData >= data);
        QVERIFY(stringData >= data.constData());
    }
}

void tst_QString::reserve()
{
    QString nil1, nil2;
    nil1.reserve(0);
    nil2.squeeze();
    nil1.squeeze();
    nil2.reserve(0);
}

void tst_QString::toHtmlEscaped_data()
{
    QTest::addColumn<QString>("original");
    QTest::addColumn<QString>("expected");

    QTest::newRow("1") << "Hello World\n" << "Hello World\n";
    QTest::newRow("2") << "#include <QtCore>" << "#include &lt;QtCore&gt;";
    QTest::newRow("3") << "<p class=\"cool\"><a href=\"http://example.com/?foo=bar&amp;bar=foo\">plop --&gt; </a></p>"
                       << "&lt;p class=&quot;cool&quot;&gt;&lt;a href=&quot;http://example.com/?foo=bar&amp;amp;bar=foo&quot;&gt;plop --&amp;gt; &lt;/a&gt;&lt;/p&gt;";
    QTest::newRow("4") << QString::fromUtf8("<\320\222\321\201>") << QString::fromUtf8("&lt;\320\222\321\201&gt;");
}

void tst_QString::toHtmlEscaped()
{
    QFETCH(QString, original);
    QFETCH(QString, expected);

    QCOMPARE(original.toHtmlEscaped(), expected);
}

void tst_QString::operatorGreaterWithQLatin1String()
{
    QLatin1String latin1foo("fooZZ", 3);
    QString stringfoo = QString::fromLatin1("foo");
    QVERIFY(stringfoo >= latin1foo);
    QVERIFY(!(stringfoo > latin1foo));
    QVERIFY(stringfoo <= latin1foo);
    QVERIFY(!(stringfoo < latin1foo));
}

void tst_QString::compareQLatin1Strings()
{
    QLatin1String abc("abc");
    QLatin1String abcd("abcd");
    QLatin1String cba("cba");
    QLatin1String de("de");

    QVERIFY(abc == abc);
    QVERIFY(!(abc == cba));
    QVERIFY(!(cba == abc));
    QVERIFY(!(abc == abcd));
    QVERIFY(!(abcd == abc));

    QVERIFY(abc != cba);
    QVERIFY(!(abc != abc));
    QVERIFY(cba != abc);
    QVERIFY(abc != abcd);
    QVERIFY(abcd != abc);

    QVERIFY(abc < abcd);
    QVERIFY(abc < cba);
    QVERIFY(abc < de);
    QVERIFY(abcd < cba);
    QVERIFY(!(abc < abc));
    QVERIFY(!(abcd < abc));
    QVERIFY(!(de < cba));

    QVERIFY(abcd > abc);
    QVERIFY(cba > abc);
    QVERIFY(de > abc);
    QVERIFY(!(abc > abc));
    QVERIFY(!(abc > abcd));
    QVERIFY(!(abcd > cba));

    QVERIFY(abc <= abc);
    QVERIFY(abc <= abcd);
    QVERIFY(abc <= cba);
    QVERIFY(abc <= de);
    QVERIFY(!(abcd <= abc));
    QVERIFY(!(cba <= abc));
    QVERIFY(!(cba <= abcd));
    QVERIFY(!(de <= abc));

    QVERIFY(abc >= abc);
    QVERIFY(abcd >= abc);
    QVERIFY(!(abc >= abcd));
    QVERIFY(cba >= abc);
    QVERIFY(!(abc >= cba));
    QVERIFY(de >= abc);
    QVERIFY(!(abc >= de));

    QLatin1String subfoo("fooZZ", 3);
    QLatin1String foo("foo");
    QVERIFY(subfoo == foo);
    QVERIFY(foo == subfoo);
    QVERIFY(!(subfoo != foo));
    QVERIFY(!(foo != subfoo));
    QVERIFY(!(foo < subfoo));
    QVERIFY(!(subfoo < foo));
    QVERIFY(foo >= subfoo);
    QVERIFY(subfoo >= foo);
    QVERIFY(!(foo > subfoo));
    QVERIFY(!(subfoo > foo));
    QVERIFY(foo <= subfoo);
    QVERIFY(subfoo <= foo);

    QLatin1String subabc("abcZZ", 3);
    QLatin1String subab("abcZZ", 2);
    QVERIFY(subabc != subab);
    QVERIFY(subab != subabc);
    QVERIFY(!(subabc == subab));
    QVERIFY(!(subab == subabc));
    QVERIFY(subab < subabc);
    QVERIFY(!(subabc < subab));
    QVERIFY(subabc > subab);
    QVERIFY(!(subab > subabc));
    QVERIFY(subab <= subabc);
    QVERIFY(!(subabc <= subab));
    QVERIFY(subabc >= subab);
    QVERIFY(!(subab >= subabc));
}

void tst_QString::fromQLatin1StringWithLength()
{
    QLatin1String latin1foo("foobar", 3);
    QString foo(latin1foo);
    QCOMPARE(foo.size(), latin1foo.size());
    QCOMPARE(foo, QString::fromLatin1("foo"));
}

void tst_QString::assignQLatin1String()
{
    QString empty = QLatin1String("");
    QVERIFY(empty.isEmpty());
    QVERIFY(!empty.isNull());

    QString null = QLatin1String(0);
    QVERIFY(null.isEmpty());
    QVERIFY(null.isNull());

    QLatin1String latin1foo("foo");
    QString foo = latin1foo;
    QCOMPARE(foo.size(), latin1foo.size());
    QCOMPARE(foo, QString::fromLatin1("foo"));

    QLatin1String latin1subfoo("foobar", 3);
    foo = latin1subfoo;
    QCOMPARE(foo.size(), latin1subfoo.size());
    QCOMPARE(foo, QString::fromLatin1("foo"));

}

void tst_QString::isRightToLeft_data()
{
    QTest::addColumn<QString>("unicode");
    QTest::addColumn<bool>("rtl");

    QTest::newRow("null") << QString() << false;
    QTest::newRow("empty") << QString("") << false;

    QTest::newRow("numbers-only") << QString("12345") << false;
    QTest::newRow("latin1-only") << QString("hello") << false;
    QTest::newRow("numbers-latin1") << (QString("12345") + QString("hello")) << false;

    static const ushort unicode1[] = { 0x627, 0x627 };
    QTest::newRow("arabic-only") << QString::fromUtf16(unicode1, 2) << true;
    QTest::newRow("numbers-arabic") << (QString("12345") + QString::fromUtf16(unicode1, 2)) << true;
    QTest::newRow("numbers-latin1-arabic") << (QString("12345") + QString("hello") + QString::fromUtf16(unicode1, 2)) << false;
    QTest::newRow("numbers-arabic-latin1") << (QString("12345") + QString::fromUtf16(unicode1, 2) + QString("hello")) << true;

    static const ushort unicode2[] = { QChar::highSurrogate(0xE01DAu), QChar::lowSurrogate(0xE01DAu), QChar::highSurrogate(0x2F800u), QChar::lowSurrogate(0x2F800u) };
    QTest::newRow("surrogates-VS-CJK") << QString::fromUtf16(unicode2, 4) << false;

    static const ushort unicode3[] = { QChar::highSurrogate(0x10800u), QChar::lowSurrogate(0x10800u), QChar::highSurrogate(0x10805u), QChar::lowSurrogate(0x10805u) };
    QTest::newRow("surrogates-cypriot") << QString::fromUtf16(unicode3, 4) << true;
}

void tst_QString::isRightToLeft()
{
    QFETCH(QString, unicode);
    QFETCH(bool, rtl);

    QCOMPARE(unicode.isRightToLeft(), rtl);
}

QTEST_APPLESS_MAIN(tst_QString)

#include "tst_qstring.moc"
